000 00272nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aGHOSH S K
245 _aPROGRAMME EVALUATION & REVIEW TECHNIQUE
250 _a2
260 _c1974
_b"NATIONAL PRODUCTIVITY COUNCIL, NEW DELHI"
999 _c6451
_d6451