Best, John W. Research in education / John W. Best, James V. Kahn. - 9th edition. - Singapore : Pearson Education, c2003. - xiv, 498 pages : black and white illustrations ; 24 cm. Includes index. ISBN: 9812471111 Subjects--Topical Terms: Education--Research. Dewey Class. No.: CIR 370.72 B561 2003