na INLIS000000000004963 20240724104403 0010-0223000017 An Introduction to Agricultural Production Economics and Farm Management ROBERTSON, C.A. Cet.5 vii, 140 hlm. : ilus. ; 21 cm New Delhi : Tata McGraw-Hill, 1983 338.1 338.1 Rob i - Agricultural 240724 0 ind c.2(3549/APP/Pb/91) c.1(3549/APP/ha/91)