P.M. Khan Textbook of Extension Education - Udaipur Himanshu Publications 2002 - 295p P.M. Khan: Textbook of Extension Education. Udaipur. Himanshu Publications, 2002. 81-7906-006-3 Rs. 595.00--(630.715KHA) ENGLISH ISBN: 81-7906-006-3 Dewey Class. No.: 630.715 / KHA