Research methods in education /
Cohen, Louis, 1928-
Research methods in education / L. Cohen and L. Manion. - 3-rd ed. - London ; New York, NY : Routledge, 1989. - xxii, 413 p. : ill. ; 22 cm.
Includes bibliographical references (p. 382-400) and index.
0415044103
Education--Research.
Education--Research--Great Britain.
Research methods in education / L. Cohen and L. Manion. - 3-rd ed. - London ; New York, NY : Routledge, 1989. - xxii, 413 p. : ill. ; 22 cm.
Includes bibliographical references (p. 382-400) and index.
0415044103
Education--Research.
Education--Research--Great Britain.