Indian Journal of Extension Education. v.15, 1979
Singh, K.N., ed.
Indian Journal of Extension Education. v.15, 1979 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1978 - v.14, varies p.; 24cm.
Indian Journal of Extension Education. v.15, 1979 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1978 - v.14, varies p.; 24cm.