របាយការណ៏ការធ្វើតេសភ្លើង

6

សសសសសសសសសស សសសសសសសសសសសសសសសសសសសសសស សសសសសសសសសសសសសស

សសសសសសសសសសសសសសស A

TVET NEA ..

A ( ) A

A

A A

សសសសសសសសសសសសសសស សសសសសសសសសសសសសសស សសសសសសសសសសសសសសស សសសសសសស សសសសសសសសសសស

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