Cohen, Louis, 1928- Research methods in education / [manuscript] / by Louis Cohen, Lawrence Manion, and Keith Morrison. - 5th ed. - London ; New York : RoutledgeFalmer, c2000. - xvi, 446 p. ; : ill. ; 25 cm. Includes bibliographical references (p. 407-437) and index. ISBN: 0415195411 (pbk.) : ETB 1400.00 LCCN: 99088211 Subjects--Topical Terms: Education--Research.Education--Research--Great Britain. LC Class. No.: LB1028 / .C572 2000 Dewey Class. No.: 370/.7/2