00383cam a22001217a 4500 180718b1986 xxu||||| |||| 00| 0 eng d Z7x5413 Si64 Singh, Sita Ram Technological parameters in agricultural production function by Sita Ram Singh Delhi Ashish 1986 156p. Agriculture and technology - India - Bihar 353514 353514 0 0 0 0 IIPA IIPA 1993-12-03 Z7x5413 Si64 61649 2018-07-21 2018-07-21 BK 0 0 ddc 0 0 IIPA IIPA 2021-01-20 TNC Z7x5413 Si64 GR22353 2021-01-20 2021-01-20 BK