Banta, Gordon R. Asian cropping systems research : microeconomic evaluation procedures / - Ottawa : International Development Research Centre, c1982. - 56 p. : ill. ; 25 cm. - IDRC ; . ISBN: 0889363358 (pbk.) Subjects--Topical Terms: AgricultureCropping systems Dewey Class. No.: 338 PHI 1982 C155 Or.