na INLIS000000000003362 20220816093813 0010-1118003362 220816 g 0 eng Asian cropping systems research: microeconomic evaluation procedures / Gordon R. Banta BANTA, Gordon R. Ottawa : IDRC, 1982 56 p. : ill. ; 25 cm. 0-88936-335-8 631.58(5) BAN a Bibl.: p. 55-56. 631.58(5) CROPPING SYSTEMS RESEARCH ASIA Cet. 1 Bibl.: p. 55-56 431/82 1014/86 430/82