00488nam a2200133Ia 4500008004100000082001900041100001600060245008400076260004000160300001000200942000700210999001700217952012000234190415s9999    xx            000 0 und d  a338.0954 MEH-;  aMehta, S.S. 0aProductivity, production function and technical change: a survey of some Indian  aNew DelhibConcept Publishingc1980  a182p.  cBK  c18633d18633  00104070aNASSDOCbNASSDOCd2004-06-08i2004-10-22l0o338.0954 MEH-;p15327r2019-04-18 00:00:00w2019-04-18yBK