001.42KOU 7950 Koul, Lokesh METHODOLOGY OF EDUCATIONAL RESEARCH . – 3rd rev. enl. ed . – NEW DELHI : VIKAS PUBLISHING HOUSE PVT. LTD.. xii, 543 p. ISBN 0-7069-8852-3 . Subjects--Topical Terms: GENERILIA Dewey Class. No.: 001.42 / KOU