000 00401nam a22001457u 4500
005 20261003210044.0
008 260926nuuuuuuuuxx ||||| |||||||| ||khm d
035 _a(PTEC-PMB)4d0536fcf04ca949
041 0 _akhm
082 4 _a895.932
100 1 _aលាង ហាប់អាន
245 1 0 _aសិក្សាអត្ថបទ
653 _a800 អក្សរសិល្ប៍
942 _cBK
_2ddc
999 _c2337
_d2337