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