Cohen, Louis, 1928-
Research methods in education / Louis Cohen, Lawrence Manion, and Keith Morrison ; with contributions from Richard Bell ... [et al.]. - 7th ed. - London ; New York : Routledge, 2011. - 758 p. xxxii, : ill. 25 cm.
Includes bibliographical references and index.
9780415583367
2010032342
Education Research Great Britain.
LB1028 / C572 2011
370.72 / CLR
Research methods in education / Louis Cohen, Lawrence Manion, and Keith Morrison ; with contributions from Richard Bell ... [et al.]. - 7th ed. - London ; New York : Routledge, 2011. - 758 p. xxxii, : ill. 25 cm.
Includes bibliographical references and index.
9780415583367
2010032342
Education Research Great Britain.
LB1028 / C572 2011
370.72 / CLR