Fraenkel Jack R. Wallen Norman E. How to Design and Evaluate Research in Education - 5th ed. - New York McGraw - Hill 2003 - 623 p. มี CDประกอบ CD 0237 AC ISBN: 0072485604 Subjects--Topical Terms: ”EDUCATION RESEARCH / EDUCATIONAL QUALITATIVE RESEARCH” LC Class. No.: LB1028 / F827H 2003