Research methods in education /
Cohen, Louis,
Research methods in education / Louis Cohen and Lawrence Manion. - 3rd ed. (6th ebook) - London ; New York, NY : Routledge, 1989. - xxii, 413 p. : ill. ; 22 cm.
Includes bibliographical references and index.
0415036488 9781315456515 (ebook)
Education--Research
Education--Research--Methodology
370.72 / COH
Research methods in education / Louis Cohen and Lawrence Manion. - 3rd ed. (6th ebook) - London ; New York, NY : Routledge, 1989. - xxii, 413 p. : ill. ; 22 cm.
Includes bibliographical references and index.
0415036488 9781315456515 (ebook)
Education--Research
Education--Research--Methodology
370.72 / COH