Indian Journal of Extension Education. v.16, 1980
Singh, K.N., ed.
Indian Journal of Extension Education. v.16, 1980 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1980 - v.16, varies p.; 24cm.
Indian Journal of Extension Education. v.16, 1980 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1980 - v.16, varies p.; 24cm.