Research method in education /
Cohen, Louis.
Research method in education / Louis Cohen and Lawrence Manion. - 4th ed. - London : New York : Routledge, 1994. - xxii, 414 p. : ill. 23 cm.
Includes bibliographical references, notes and index.
9780415102353
Education research.-- Research.
Education research Great Britain.-- Research.--Great Britain.
370.72 COH
Research method in education / Louis Cohen and Lawrence Manion. - 4th ed. - London : New York : Routledge, 1994. - xxii, 414 p. : ill. 23 cm.
Includes bibliographical references, notes and index.
9780415102353
Education research.-- Research.
Education research Great Britain.-- Research.--Great Britain.
370.72 COH