00476nam a22001697a 4500 OSt 260611b |||||||| |||| 00| 0 eng d 631.371 M29C Mandal, Shashishekar Case Study of Tractor and Bullock Power Utilization in Harnaut Block of Nalanda District Pusa, Samastipur RAU 1993 68P. M.Tech. 1993 Farm Machinery M.Tech. ddc M.TECH. 51996 51996 0 0 ddc 0 0 RAU RAU 2026-06-11 By Authors 0 631.371 M29C 44843 2026-06-11 2026-06-11 M.TECH. Gift