000 00324nam a2200145Ia 4500
100 _aGhosh.S.K
490 _vTM4
942 _cBK
654 _aPERT
245 _aProgramme Evaluation & review techniques
260 _bNational Productivity council
_aNew Delhi
_c1974
300 _a28
546 _aENGLISH
999 _c18953
_d18953