Research methods in education /
Louis, L.
Research methods in education / Louis Cohen; Lawrence Manion, and Keith Morrison. - 7th. - New York : Routledge, 2011. - xxii, 758 p. : ill.; 25 cm.
Includes bibliographical references and index.
9780415583367 (soft cover)
Education--Research--Great Britain.
DUCE LB1028.C572
Research methods in education / Louis Cohen; Lawrence Manion, and Keith Morrison. - 7th. - New York : Routledge, 2011. - xxii, 758 p. : ill.; 25 cm.
Includes bibliographical references and index.
9780415583367 (soft cover)
Education--Research--Great Britain.
DUCE LB1028.C572