000 00323nam a2200121Ia 4500
001 M6465
005 20250219100454.0
008 250219s9999 xx 000 0 und d
245 0 _aRegional conference on productivity from precept to practice durgapur nov 24-26 1974
260 _c1974
650 _aProductivity
942 _cBK
999 _c6865
_d6865