Unnat Krishi (HI). v.18, 1979-80
Chaturvedi, Bhagwat Prasad, ed.
Unnat Krishi (HI). v.18, 1979-80 edited by Bhagwat Prasad Chaturvedi - New Delhi Directorate of Extension, Ministry of Agriculture 1979 - v.18, varies p.; 26cm.
Unnat Krishi (HI). v.18, 1979-80 edited by Bhagwat Prasad Chaturvedi - New Delhi Directorate of Extension, Ministry of Agriculture 1979 - v.18, varies p.; 26cm.
