00391pab a2200121 454500008003600000100002000036245010400056650001600160650001200176650001700188650005200205773001200257180718b   xxu||||| |||| 00| 0 eng d  aRatna, Reddy,V.  aSurplus labour in agriculture in the context of technological change: an analysis of Andhra Pradesh  a Technology  a Labour  a Agriculture  aAgriculture And Technology India Andhra Pradesh  aAnvesak