00317nam a2200109Ia 4500082002200000100003200022245005400054260005100108300001500159500000500174700002800179  a338.2768bG595.PT  aGoel, V. K. and Nair, N. K.  aProductivity trends in cement industry in Indiab  aNew DelhibNational Productivity Councilc1978  axvi, 156p.  a  aNair, N. K. ; jt. auth.