00350cam a22000977a 4500008004000000082001900040245009100059260005100150300001000201700004100211180718b1972   xxu||||| |||| 00| 0 eng d  aT2531x54 N213p  aNational seminar on productivity, Proceedingscby National Productivity Council, India  aNew DelhibNational Productivity Councilc1972  a113+p  aIndia. National Productivity Council