00672nam a22002177a 4500 OSt 221208b |||||||| |||| 00| 0 eng d 8170220262 631.62016 G96G Gupta, S. K. Global Research on Drainage in Agriculture : an annotated bibliography, 1960-1986 / by S. K. Gupta and I. C. Gupta .- New Delhi : Concept Publishing , 1987 viii,661p. Technology (Applied Sciences) Agriculture and Related Technologies Drainage Agriculture Global Research Gupta, I. C. ddc RFB 2 25803 25803 0 0 ddc 0 0 RAU RAU 2022-12-08 UBPPD, Patna 500.00 2 631.62016 G96G 40985 2024-06-29 2024-06-29 2022-12-08 RFB