Indian Journal of Extension Education. v.3, 1967
Singh, K.N., ed.
Indian Journal of Extension Education. v.3, 1967 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1967 - v.3, 319 p.; 24cm.
Indian Journal of Extension Education. v.3, 1967 edited by K.N.Singh - New Delhi Indian Society of Extension Education 1967 - v.3, 319 p.; 24cm.