000 00252nam a22001217a 4500
040 _cSK
082 _a658
100 _aង៉ោ ប៊ុនថាន
245 _aProject management
260 _aRUA
_bង៉ោ
_c2007
300 _a33p.
942 _cKB
999 _c9635
_d9635