Indian Journal of Extension Education. v.23, 1987
Ray, G.L., ed.
Indian Journal of Extension Education. v.23, 1987 edited by G.L.Ray - New Delhi Indian Society of Extension Education 1987 - v.23, varies p.; 24cm.
Indian Journal of Extension Education. v.23, 1987 edited by G.L.Ray - New Delhi Indian Society of Extension Education 1987 - v.23, varies p.; 24cm.