Indian Journal of Extension Education. v.21, 1985
Singh, K.N., ed.
Indian Journal of Extension Education. v.21, 1985 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1985 - v.21, varies p.; 24cm.
Indian Journal of Extension Education. v.21, 1985 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1985 - v.21, varies p.; 24cm.