Indian Journal of Extension Education. v.11, 1975
Singh, K.N., ed.
Indian Journal of Extension Education. v.11, 1975 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1975 - v.11, varies p.; 24cm.
Indian Journal of Extension Education. v.11, 1975 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1975 - v.11, varies p.; 24cm.