Research methods in education /
Cohen, Louis, 1928-
Research methods in education / Louis Cohen and Lawrence Manion. - 4th ed. - London ; New York : Routhledge, 1994. - xxii, 414 p. : ill. ; 24 cm.
Includes bibliographical references (p. 385-402) and index.
0415102359
93034390
Education--Research.
Education--Great Britain.--Research
LB1028 / COH 1994
378/.78
Research methods in education / Louis Cohen and Lawrence Manion. - 4th ed. - London ; New York : Routhledge, 1994. - xxii, 414 p. : ill. ; 24 cm.
Includes bibliographical references (p. 385-402) and index.
0415102359
93034390
Education--Research.
Education--Great Britain.--Research
LB1028 / COH 1994
378/.78