Research methods in education /
Cohen, Louis
Research methods in education / Louis Cohen, Lawrence Manion and Keith Morrison. - 7th ed. - New York : Routledge, c2011. - xxii, 758 p. : ill. ; 25 cm.
Includes bibliographical references and index
9780415583367 9781315456539
Education--Research--Great Britain.
LB1028 / .C64 2011
Research methods in education / Louis Cohen, Lawrence Manion and Keith Morrison. - 7th ed. - New York : Routledge, c2011. - xxii, 758 p. : ill. ; 25 cm.
Includes bibliographical references and index
9780415583367 9781315456539
Education--Research--Great Britain.
LB1028 / .C64 2011