Cohen, Louis, 1928- Research Methods in Education / Louis Cohen, Lawrence Manion, and Keith Morrison. - 5th ed. - London ; New York : RoutledgeFalmer, 2000. - xvi, 446 p. ; ill. ; 25 cm. Includes bibliographical references (p. 407-437) and index. ISBN: 0415195411 (pbk.) Subjects--Topical Terms: Education--Research.Education--Research--Great Britain. LC Class. No.: LB1028 / .C572 2000 Dewey Class. No.: 370/.7/2