Indian Journal of Extension Education. v.8, 1972
Singh, K.N., ed.
Indian Journal of Extension Education. v.8, 1972 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1972 - v.8, varies p.; 24cm.
Indian Journal of Extension Education. v.8, 1972 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1972 - v.8, varies p.; 24cm.