๐Ÿ“Š ื”ืžืฆืคืŸ ื”ืืจื’ื•ื ื™: ืฉืœื•ืฉื” ืขืžื•ื“ื™ ืชื•ื•ืš ืฉืœ ืžื“ื“ื™ ื‘ื™ืฆื•ืข (KPIs) ืœื ื™ื”ื•ืœ ืขืกืง ืžื‘ื•ืกืก ื ืชื•ื ื™ื

ื”ืžืฆืคืŸ ื”ืืจื’ื•ื ื™: ืฉืœื•ืฉื” ืขืžื•ื“ื™ ืชื•ื•ืš ืฉืœ ืžื“ื“ื™ ื‘ื™ืฆื•ืข (KPIs) ืœื ื™ื”ื•ืœ ืขืกืง ืžื‘ื•ืกืก ื ืชื•ื ื™ื

ื ื™ื”ื•ืœ ืขืกืง ืœืœื ืžื“ื“ื™ ื‘ื™ืฆื•ืข ืžื•ื’ื“ืจื™ื ื”ื•ื ื›ื ื™ืกื” ืœื˜ื™ืกื” ืœืœื ืœื•ื— ืžื—ื•ื•ื ื™ื. ื‘ืขื•ืœื ื”ืขืกืงื™ื ื”ืžื•ื“ืจื ื™, ืฉื‘ื• ื”ื ืชื•ื ื™ื ื–ืžื™ื ื™ื ื‘ืงืœื•ืช ื™ื—ืกื™ืช, ื”ื™ื›ื•ืœืช ืœื ืจืง ืœืžื“ื•ื“, ืืœื ื’ื ืœื ืชื— ื•ืœืคืขื•ืœ ื‘ื”ืชืื ืœื ืชื•ื ื™ื, ื”ื™ื ื”ืžื‘ื“ืœืช ื‘ื™ืŸ ืขืกืงื™ื ืžื’ื™ื‘ื™ื ืœืขืกืงื™ื ืžื•ื‘ื™ืœื™ื. ืื ื• ืžืคืจื™ื“ื™ื ื‘ื™ืŸ ืžื“ื“ื™ ื”ืžืคืชื— ืœืฉืœื•ืฉ ืงื˜ื’ื•ืจื™ื•ืช ื—ื™ื•ื ื™ื•ืช, ื”ืžืขื ื™ืงื•ืช ืžื‘ื˜ ื”ื•ืœื™ืกื˜ื™ ืขืœ ื™ืขื™ืœื•ืช, ืจื•ื•ื—ื™ื•ืช ื•ืคื•ื˜ื ืฆื™ืืœ ื”ืฆืžื™ื—ื” ืฉืœ ื”ืขืกืง.


1. โš™๏ธ ืžื“ื“ื™ ื™ืขื™ืœื•ืช ืชืคืขื•ืœื™ืช (Operational KPIs)

ืžื“ื“ื™ื ืืœื• ืžืชืžืงื“ื™ื ื‘ื‘ื™ืฆื•ืขื™ื ื”ืคื ื™ืžื™ื™ื ื•ื‘ืื™ื›ื•ืช ื”ืชื”ืœื™ื›ื™ื, ื•ืžื˜ืจืชื ืœื–ื”ื•ืช ืฆื•ื•ืืจื™ ื‘ืงื‘ื•ืง (Bottlenecks) ื•ื ืงื•ื“ื•ืช ื—ื™ื›ื•ืš ืฉืคื•ื’ืขื•ืช ื‘ื—ื•ื•ื™ื™ืช ื”ืœืงื•ื— ื•ื‘ื™ืขื™ืœื•ืช ื”ืขื•ื‘ื“ื™ื.

ืžื“ื“ (KPI)ื”ื’ื“ืจื” ื•ืชื›ืœื™ืชื ื™ืชื•ื— ื•ืคืขื•ืœื” ื ื’ื“ื™ืช
ื–ืžืŸ ื˜ื™ืคื•ืœ ืžืžื•ืฆืข (Average Handling Time โ€“ AHT)ื”ื–ืžืŸ ื”ืžืžื•ืฆืข ืฉืœื•ืงื— ืœืฆื•ื•ืช ืœื˜ืคืœ ื‘ืคื ื™ื™ืช ืœืงื•ื— ืื• ืœื”ืฉืœื™ื ืžืฉื™ืžื” ืกืคืฆื™ืคื™ืช.$AHT$ ื’ื‘ื•ื” ืžืขื™ื“ ืขืœ ืชื”ืœื™ื›ื™ื ืžื•ืจื›ื‘ื™ื ืžื“ื™, ื—ื•ืกืจ ื™ื“ืข ืฉืœ ื”ืขื•ื‘ื“ื™ื, ืื• ืžืขืจื›ื•ืช ืื™ื˜ื™ื•ืช. ืคืขื•ืœื”: ืื•ื˜ื•ืžืฆื™ื” ืฉืœ ืชื”ืœื™ื›ื™ื ื—ื•ื–ืจื™ื ื•ื”ื›ืฉืจืช ืขื•ื‘ื“ื™ื.
ืฉื™ืขื•ืจ ืขืžื™ื“ื” ื‘ื–ืžื ื™ ืืกืคืงื” (On-Time Delivery Rate)ืื—ื•ื– ื”ื”ื–ืžื ื•ืช, ืคืจื•ื™ืงื˜ื™ื ืื• ืžื•ืฆืจื™ื ืฉื”ื•ืฉืœืžื• ื•ื ืžืกืจื• ืœืœืงื•ื— ื‘ืžื•ืขื“ ืฉื”ื•ื‘ื˜ื—.ืื™-ืขืžื™ื“ื” ื‘ื™ืขื“ื™ื ืคื•ื’ืขืช ื‘ืžื•ื ื™ื˜ื™ืŸ ื•ื“ื•ืจืฉืช ื‘ื—ื™ื ืช ื ื™ื”ื•ืœ ื”ืžืœืื™ ื•ืœื•ื—ื•ืช ื”ื–ืžื ื™ื ืฉืœ ื”ื™ื™ืฆื•ืจ/ืฉื™ืจื•ืช. ืคืขื•ืœื”: ื”ืงืฉื—ืช ื”ื‘ืงืจื” ืขืœ ืกืคืงื™ื ื•ื”ืฆื‘ืช ืžืจื•ื•ื—ื™ ื‘ื™ื˜ื—ื•ืŸ ื‘ืœื•"ื–.
ืฉื™ืขื•ืจ ืกื’ื™ืจืช ืขืกืงืื•ืช (Conversion Rate)ืื—ื•ื– ื”ืœื™ื“ื™ื (Leads) ืื• ื”ืฆืขื•ืช ื”ืžื—ื™ืจ (Proposals) ืฉื”ืคื›ื• ืœืขืกืงืื•ืช ืžืฉื•ืœืžื•ืช.ืฉื™ืขื•ืจ ืกื’ื™ืจื” ื ืžื•ืš ืžืฆื‘ื™ืข ืขืœ ื›ืฉืœื™ื ื‘ืžื›ื™ืจื” (ื”ืฆืขืช ืขืจืš ื—ืœืฉื”, ืชืžื—ื•ืจ ืฉื’ื•ื™, ืื™ื›ื•ืช ืœื™ื“ื™ื ื ืžื•ื›ื”). ืคืขื•ืœื”: ืื™ืžื•ืŸ ืฆื•ื•ืช ื”ืžื›ื™ืจื•ืช ื•ืฉื™ืคื•ืจ ืชื”ืœื™ืš ื”ื”ืฆืขื”.
ืฉื™ืขื•ืจ ืื™ื›ื•ืช (Quality Rate / Error Rate)ืื—ื•ื– ื”ืžื•ืฆืจื™ื ืฉื ืคืกืœื•, ืคื ื™ื•ืช ื”ืฉื™ืจื•ืช ื”ื—ื•ื–ืจื•ืช (ื›ืฉืœ ืจืืฉื•ื ื™), ืื• ื˜ืขื•ื™ื•ืช ื‘ืชื™ืขื•ื“.ืžืขื™ื“ ืขืœ ืคื’ืžื™ื ืžืขืจื›ืชื™ื™ื ื‘ื™ื™ืฆื•ืจ ืื• ื‘ืฉื™ืจื•ืช. ืคืขื•ืœื”: ื”ื˜ืžืขืช ื‘ืงืจืช ืื™ื›ื•ืช (QC) ืจืฆื™ืคื” ื‘ืชื”ืœื™ืš ื•ืชื™ืงื•ืŸ ืฉื•ืจืฉ ื”ื‘ืขื™ื”.

2. ๐Ÿ“ˆ ืžื“ื“ื™ ืฆืžื™ื—ื” ื•ืฉื™ื•ื•ืง (Marketing & Sales KPIs)

ืžื“ื“ื™ื ืืœื• ื‘ื•ื—ื ื™ื ืืช ื™ืขื™ืœื•ืช ื”ื”ืฉืงืขื” ื‘ืคืขื™ืœื•ื™ื•ืช ื”ื’ื“ืœืช ื”ื”ื›ื ืกื•ืช (Acquisition) ื•ืืช ื”ื™ื›ื•ืœืช ืฉืœ ื”ืขืกืง ืœืฉืžืจ ืœืงื•ื—ื•ืช (Retention).

ืžื“ื“ (KPI)ื”ื’ื“ืจื” ื•ืชื›ืœื™ืชื ื™ืชื•ื— ื•ืคืขื•ืœื” ื ื’ื“ื™ืช
ืขืœื•ืช ืจื›ื™ืฉืช ืœืงื•ื— (Customer Acquisition Cost โ€“ CAC)ืกืš ื”ื•ืฆืื•ืช ื”ืฉื™ื•ื•ืง ื•ื”ืžื›ื™ืจื•ืช ื—ืœืงื™ ืžืกืคืจ ื”ืœืงื•ื—ื•ืช ื”ื—ื“ืฉื™ื ื‘ืชืงื•ืคื”.ืžืืคืฉืจ ืœื“ืขืช ืืช "ื”ืžื—ื™ืจ" ื”ืืžื™ืชื™ ืฉืœ ืœืงื•ื—. $CAC$ ื’ื‘ื•ื” ืžื“ื™ ืžืื™ื™ื ืขืœ ื”ืจื•ื•ื—ื™ื•ืช. ืคืขื•ืœื”: ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืฉืœ ืงืžืคื™ื™ื ื™ื ืฉื™ื•ื•ืงื™ื™ื ื•ื”ืขื“ืคืช ืขืจื•ืฆื™ื ื–ื•ืœื™ื ื™ื•ืชืจ.
ืขืจืš ื—ื™ื™ ืœืงื•ื— (Customer Lifetime Value โ€“ CLV/LTV)ื”ืจื•ื•ื— ื”ื ืงื™ ื”ืžืฆื˜ื‘ืจ ืฉืฆืคื•ื™ ืœื”ืชืงื‘ืœ ืžืœืงื•ื— ืžืžื•ืฆืข ืœืื•ืจืš ื›ืœ ืชืงื•ืคืช ื”ื”ืชืงืฉืจื•ืช ืขืžื•.ื”-$CLV$ ื—ื™ื™ื‘ ืœื”ื™ื•ืช ื’ื‘ื•ื” ืžืฉืžืขื•ืชื™ืช ืžื”-$CAC$ (ื™ื—ืก ืžื•ืžืœืฅ: $3:1$). ืคืขื•ืœื”: ื”ืฉืงืขื” ื‘ืฉื™ืžื•ืจ ืœืงื•ื—ื•ืช (Loyalty) ื•ืฉื™ืคื•ืจ ืžื•ืฆืจื™ื ืงื™ื™ืžื™ื (Upsell/Cross-sell).
ืฉื™ืขื•ืจ ื ื˜ื™ืฉืช ืœืงื•ื—ื•ืช (Churn Rate)ืื—ื•ื– ื”ืœืงื•ื—ื•ืช ืฉืขื–ื‘ื• ืื• ื”ืคืกื™ืงื• ืœืจื›ื•ืฉ ื‘ืชืงื•ืคื” ื ืชื•ื ื”.ื ื˜ื™ืฉื” ื’ื‘ื•ื”ื” ืžืฉืจื•ืคื” ื›ืกืฃ ืฉื”ื•ืฉืงืข ื‘-$CAC$. ืคืขื•ืœื”: ืฉื™ืคื•ืจ ื—ื•ื•ื™ื™ืช ื”ืœืงื•ื—, ื”ื’ื‘ืจืช ืชืงืฉื•ืจืช, ื•ื ื™ืชื•ื— ืกื™ื‘ื•ืช ื”ื ื˜ื™ืฉื”.
ืขืœื•ืช ืœืœื™ื“ (Cost Per Lead โ€“ CPL)ื”ื”ื•ืฆืื” ื”ืžืžื•ืฆืขืช ื”ื ื“ืจืฉืช ื›ื“ื™ ืœื™ื™ืฆืจ ืœื™ื“ ืคื•ื˜ื ืฆื™ืืœื™ ืื—ื“.ืžืืคืฉืจ ื”ืฉื•ื•ืื” ื™ืฉื™ืจื” ื‘ื™ืŸ ืขืจื•ืฆื™ ืฉื™ื•ื•ืง ืฉื•ื ื™ื (ื’ื•ื’ืœ, ืคื™ื™ืกื‘ื•ืง, ืจืฉืชื•ืช ื—ื‘ืจืชื™ื•ืช) ื•ื–ื™ื”ื•ื™ ื”ืขืจื•ืฅ ื”ื™ืขื™ืœ ื‘ื™ื•ืชืจ. ืคืขื•ืœื”: ื ื™ืชื•ื‘ ืชืงืฆื™ื‘ ื”ืฉื™ื•ื•ืง ืœืขืจื•ืฆื™ื ืขื $CPL$ ื”ื ืžื•ืš ื‘ื™ื•ืชืจ.

3. ๐Ÿ’ฐ ืžื“ื“ื™ื ืคื™ื ื ืกื™ื™ื (Financial KPIs)

ืืœื• ื”ื ื”ืžื“ื“ื™ื ื”ืžืฆื™ื’ื™ื ืืช ืชืžื•ื ืช ื”ืžืฆื‘ ื”ื›ืœื›ืœื™ืช ื”ื›ื•ืœืœืช, ื™ืขื™ืœื•ืช ื”ื ื™ื”ื•ืœ ื”ืคื™ื ื ืกื™ ื•ืืช ื”ื‘ืจื™ืื•ืช ืืจื•ื›ืช ื”ื˜ื•ื•ื— ืฉืœ ื”ืขืกืง.

ืžื“ื“ (KPI)ื”ื’ื“ืจื” ื•ืชื›ืœื™ืชื ื™ืชื•ื— ื•ืคืขื•ืœื” ื ื’ื“ื™ืช
ืจื•ื•ื— ื’ื•ืœืžื™ (Gross Margin)ื”ื›ื ืกื•ืช ืคื—ื•ืช ืขืœื•ืช ื”ืžื›ื™ืจื•ืช (COGS). ืื—ื•ื– ื–ื” ืžืฆื™ื’ ืืช ื”ืจื•ื•ื—ื™ื•ืช ื”ื‘ืกื™ืกื™ืช ืฉืœ ืคืขื™ืœื•ืช ื”ืœื™ื‘ื”.ืจื•ื•ื— ื’ื•ืœืžื™ ื ืžื•ืš ืžื“ื™ ื ื•ื‘ืข ืžืชืžื—ื•ืจ ื ืžื•ืš ืื• ืžืขืœื•ื™ื•ืช ื™ื™ืฆื•ืจ ื’ื‘ื•ื”ื•ืช. ืคืขื•ืœื”: ื ื™ื”ื•ืœ ืžืฉื ื•ืžืชืŸ ืขื ืกืคืงื™ื ื•ื”ืขืœืืช ืžื—ื™ืจื™ื.
ืจื•ื•ื— ืชืคืขื•ืœื™ (Operating Profit)ืจื•ื•ื— ื’ื•ืœืžื™ ืคื—ื•ืช ื”ื•ืฆืื•ืช ืชืคืขื•ืœ (ืฉื™ื•ื•ืง, ื”ื ื”ืœื”, ืฉื›ืจ). ืžื“ื“ ืœื™ืขื™ืœื•ืช ื ื™ื”ื•ืœ ื”ื”ื•ืฆืื•ืช.ื™ืจื™ื“ื” ื‘ืจื•ื•ื— ื”ืชืคืขื•ืœื™ ืžืขื™ื“ื” ืขืœ ื ื™ืคื•ื— ื”ื•ืฆืื•ืช ืงื‘ื•ืขื•ืช (Overhead). ืคืขื•ืœื”: ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ื•ื‘ืงืจืช ื”ื•ืฆืื•ืช ืงื‘ื•ืขื”.
ื ืงื•ื“ืช ืื™ื–ื•ืŸ (Break-Even Point)ืกืš ื”ื”ื›ื ืกื•ืช ื”ื ื“ืจืฉื•ืช ืœื›ื™ืกื•ื™ ื›ืœ ื”ื”ื•ืฆืื•ืช ื”ืงื‘ื•ืขื•ืช ื•ื”ืžืฉืชื ื•ืช (ื”ืจื•ื•ื— ืฉื•ื•ื” ืœืืคืก).ื—ื•ื‘ื” ืœื“ืขืช ืืช ื ืชื•ืŸ ื–ื” ื›ื“ื™ ืœืงื‘ื•ืข ื™ืขื“ื™ ืžื›ื™ืจื•ืช ืžื™ื ื™ืžืœื™ื™ื. ืคืขื•ืœื”: ื”ืคื—ืชืช ื”ื•ืฆืื•ืช ืงื‘ื•ืขื•ืช ื•ื”ื’ื“ืœืช ืจื•ื•ื— ื’ื•ืœืžื™ ืœื™ื—ื™ื“ื”.
ื™ื—ืก ื—ื•ื‘ ืœื”ื•ืŸ (Debt-to-Equity Ratio)ืกืš ื”ื”ืชื—ื™ื™ื‘ื•ื™ื•ืช ื—ืœืงื™ ืกืš ื”ื”ื•ืŸ ื”ืขืฆืžื™.ืžื•ื“ื“ ืืช ื”ืžื™ื ื•ืฃ ื”ืคื™ื ื ืกื™ ืฉืœ ื”ืขืกืง ื•ืืช ืจืžืช ื”ืกื™ื›ื•ืŸ. ื™ื—ืก ื’ื‘ื•ื” ืžื“ื™ ืžืขื™ื“ ืขืœ ืชืœื•ืช ืจื‘ื” ื‘ืžื™ืžื•ืŸ ื—ื™ืฆื•ื ื™. ืคืขื•ืœื”: ื”ื’ื“ืœืช ื”ื”ื•ืŸ ื”ืขืฆืžื™ ื•/ืื• ื”ืคื—ืชืช ื”ืชื—ื™ื™ื‘ื•ื™ื•ืช.
ืชื–ืจื™ื ืžื–ื•ืžื ื™ื (Cash Flow)ื”ื”ืคืจืฉ ื‘ื™ืŸ ื›ื ื™ืกื•ืช ื•ื™ืฆื™ืื•ืช ืฉืœ ืžื–ื•ืžืŸ ื‘ืคื•ืขืœ ืœืชืงื•ืคื”.ื—ื™ื•ื ื™ ืœื”ื™ืฉืจื“ื•ืช ื™ื•ืžื™ื•ืžื™ืช. ืขืกืง ื™ื›ื•ืœ ืœื”ื™ื•ืช ืจื•ื•ื—ื™ ื‘ื“ื•ื—ื•ืช ืืš ืœืงืจื•ืก ืžื—ื•ืกืจ ื ื–ื™ืœื•ืช. ืคืขื•ืœื”: ืงื™ืฆื•ืจ ื™ืžื™ ื’ื‘ื™ื™ื” ื•ื”ืืจื›ืช ื™ืžื™ ืชืฉืœื•ื ืœืกืคืงื™ื.

๐Ÿ’ก ื”ืฉืœื‘ ื”ืงืจื™ื˜ื™: ืžืขื‘ืจ ืžืžื“ื™ื“ื” ืœื ื™ื”ื•ืœ ืžื—ื–ื•ืจื™ (Closed-Loop Management)

ื”ื˜ืขื•ืช ื”ื ืคื•ืฆื” ื‘ื™ื•ืชืจ ื”ื™ื ื™ืฆื™ืจืช ื“ื•ื—ื•ืช ืฉืื™ื ื ืžื•ื‘ื™ืœื™ื ืœืคืขื•ืœื”. ื“ื•ื— ื˜ื•ื‘ ื”ื•ื ืจืง ืืžืฆืขื™; ื”ืžื˜ืจื” ื”ื™ื ืฉื™ืคื•ืจ ื‘ื™ืฆื•ืขื™ื.

ื›ื“ื™ ืœื”ืคื•ืš ืืช ื”ืžื“ื“ื™ื ืœื›ืœื™ ื ื™ื”ื•ืœื™, ื™ืฉ ืœื™ื™ืฉื ืืช ื”ืžื•ื“ืœ ื”ื‘ื ืœื›ืœ KPI ืžืจื›ื–ื™:

  1. ืงื‘ื™ืขืช ื™ืขื“ื™ื ืืกื˜ืจื˜ื’ื™ื™ื (Goal Setting): ื”ื’ื“ืจืช ื™ืขื“ SMART (Specific, Measurable, Achievable, Relevant, Time-bound) ืœื›ืœ ืžื“ื“.
    • ื“ื•ื’ืžื”: ืœื”ื’ื“ื™ืœ ืืช ืฉื™ืขื•ืจ ืกื’ื™ืจืช ื”ืขืกืงืื•ืช ืž-$15\%$ ืœ-$20\%$ ืชื•ืš ืฉืœื•ืฉื” ื—ื•ื“ืฉื™ื.
  2. ืงื‘ื™ืขืช ืชื“ื™ืจื•ืช ื‘ื“ื™ืงื” ื•ืื—ืจื™ื•ืช (Ownership): ืžื™ ืื—ืจืื™ ืœืžื“ื“ (ืžื ื”ืœ ื”ืžื›ื™ืจื•ืช, ืžื ื”ืœ ื”ืชืคืขื•ืœ) ื•ื›ืœ ื›ืžื” ื–ืžืŸ ื”ื ืชื•ืŸ ื ื‘ื—ืŸ ื•ืžื ื•ืชื— (ืฉื‘ื•ืขื™, ื—ื•ื“ืฉื™, ืจื‘ืขื•ื ื™).
  3. ื ื™ืชื•ื— ื•ื’ื–ื™ืจืช ืชื•ื‘ื ื•ืช (Analysis): ืœื ืจืง ื”ืฆื’ืช ื”ื ืชื•ืŸ, ืืœื ื”ื‘ื ื” ืžื“ื•ืข ื”ื•ืฉื’ื” ื”ืชื•ืฆืื” โ€“ ื–ื™ื”ื•ื™ ืฉื•ืจืฉ ื”ื‘ืขื™ื”.
  4. ื’ื™ื‘ื•ืฉ ืชื•ื›ื ื™ืช ืคืขื•ืœื” ืžืชืงื ืช (Action Plan): ื”ื’ื“ืจืช ืฆืขื“ื™ื ืงื•ื ืงืจื˜ื™ื™ื, ืžื“ื™ื“ื™ื ื•ืžื•ื’ื‘ืœื™ื ื‘ื–ืžืŸ, ืฉื ื•ืขื“ื• ืœืฉืคืจ ืืช ื”ืžื“ื“.
    • ื“ื•ื’ืžื”: ืื $CAC$ ืขืœื”, ืชื•ื›ื ื™ืช ื”ืคืขื•ืœื” ื”ื™ื: "ืœื‘ื—ื•ืŸ ืžื—ื“ืฉ ืืช ืžื™ืœื•ืช ื”ืžืคืชื— ืฉืœ ืงืžืคื™ื™ืŸ ื’ื•ื’ืœ ื•ืœืฆืžืฆื ื‘-$10\%$ ืืช ืชืงืฆื™ื‘ ื”ืขืจื•ืฅ ื”ืคื—ื•ืช ื™ืขื™ืœ, ืขื“ ืกื•ืฃ ื”ื—ื•ื“ืฉ".

ืœืกื™ื›ื•ื: ืจืง ื‘ืืžืฆืขื•ืช ืฉื™ืœื•ื‘ ื‘ื™ืŸ ื™ืขื™ืœื•ืช ืชืคืขื•ืœื™ืช (ืžื” ืงื•ืจื” ื‘ืคื ื™ื), ื™ืขื™ืœื•ืช ืฉื™ื•ื•ืงื™ืช (ืื™ืš ืžืฉืชืžืฉื™ื ื‘ื›ืกืฃ ืœืฆืžื™ื—ื”) ื•ื‘ืจื™ืื•ืช ืคื™ื ื ืกื™ืช (ื”ืื ืžืจื•ื•ื™ื—ื™ื), ื ื™ืชืŸ ืœืงื‘ืœ ืชืžื•ื ื” ืืžื™ืชื™ืช ื•ืžืœืื” ืฉืœ ื”ืขืกืง โ€“ ื•ืœื ื”ืœ ืื•ืชื• ื‘ื”ืฆืœื—ื”.