Unnat Krishi (HI). v.20, 1981-82
Chaturvedi, Bhagwat Prasad, ed.
Unnat Krishi (HI). v.20, 1981-82 edited by Bhagwat Prasad Chaturvedi - New Delhi Directorate of Extension, Ministry of Agriculture 1981 - v.20, varies p.; 26cm.
Unnat Krishi (HI). v.20, 1981-82 edited by Bhagwat Prasad Chaturvedi - New Delhi Directorate of Extension, Ministry of Agriculture 1981 - v.20, varies p.; 26cm.
