00563nam a2200181Ia 4500 190327s9999||||xx |||||||||||||| ||und|| 74-20873 0-8138-1575-4 NITIL NITIL 21st 338.180184 H433S Heady, Earl O Spatial sector programming models in agriculture Earl O Heady Iowa Iowa State University Press 1975 xx, 484p. Agriculture and state-Mathematical models-Addresses, essays, lectures Srivastava, Uma K BKS 54864 54864 0 0 DDC 0 0 NITIL NITIL 2019-04-04 0 338.180184 H433S 98197 2019-04-04 00:00:00 2019-04-04 BKS