Ojha T.P; Micheal, A.M Principles of agricultural engineering T P, Ojha; A. M, Micheal - 6th - New delhi Jain Sk 2010 - xxiv, 902p.: ill; Hpk ISBN: 8186321632 Subjects--Topical Terms: Mechanic engineeringAgricultural engineering LC Class. No.: TJ146.O5. 2010