Applied research design :
Hedrick, Terry Elizabeth
Applied research design : A practical guide / Terry E. Hedrick , Leonard Bickman, Debra J. Rog. - Newbury Park : Sage Publ, c1993 - x,141 p. ; 23 cm. - Applied social research methods series .
0803932340
Social sciences
300.72 / HED
Applied research design : A practical guide / Terry E. Hedrick , Leonard Bickman, Debra J. Rog. - Newbury Park : Sage Publ, c1993 - x,141 p. ; 23 cm. - Applied social research methods series .
0803932340
Social sciences
300.72 / HED