Research designs
Spector, Paul E
Research designs Paul E. Spector - Newbury Park Sage Publications 1981 - 80 p. : ill. ; 22 cm.
Bibliography : p. 78-80
0803917090
81-40888
Social sciences--Research
Research designs Paul E. Spector - Newbury Park Sage Publications 1981 - 80 p. : ill. ; 22 cm.
Bibliography : p. 78-80
0803917090
81-40888
Social sciences--Research