Cohen, Louis, 1928- Research methods in education / author; Louis Cohen, Lawrence Manion and Keith Morrison. - 8th edition. - Third Avenue, New York, Routledge, 2018. - xxvii, 916 p, ; ill; 25cm. Includes bibliographical references and index. ISBN: LCCN: 2020756704 Subjects--Topical Terms: Education--Research--Great Britain. LC Class. No.: LB1028 / .C64 2018 Dewey Class. No.: 370.72