000 00274nam a22001217a 4500
040 _cSY
082 _a658
100 _aង៉ោ ប៊ុនថាន
245 _aProject management
260 _aRUA
_bង៉ោ ប៊ុនថាន
_c2007
300 _a33p.
942 _cKB
999 _c8889
_d8889