Unnat Krishi (HI). v.19, 1980-81
Chaturvedi, Bhagwat Prasad, ed.
Unnat Krishi (HI). v.19, 1980-81 edited by Bhagwat Prasad Chaturvedi - New Delhi Directorate of Extension, Ministry of Agriculture 1980 - v.19, varies p.; 26cm.
Unnat Krishi (HI). v.19, 1980-81 edited by Bhagwat Prasad Chaturvedi - New Delhi Directorate of Extension, Ministry of Agriculture 1980 - v.19, varies p.; 26cm.