
ใใใ
็พๅจใฎใฌใผใใฃใณใฐ
21.1
ๆจๅฎDUPR
4.33
ใฌใผใใฃใณใฐๅฑฅๆญด
็ถฒๆใ้จๅใฏใฌใผใใฃใณใฐใฎไธ็ขบๅฎๆงใ็คบใใฆใใพใใๅธฏใ็ญใใปใฉไฟก้ ผๆงใ้ซใใชใใพใใ

็ถฒๆใ้จๅใฏใฌใผใใฃใณใฐใฎไธ็ขบๅฎๆงใ็คบใใฆใใพใใๅธฏใ็ญใใปใฉไฟก้ ผๆงใ้ซใใชใใพใใ