By Freeman, Howard E.,.
Englewood Cliffs, N.J. Prentice-Hall 1973 .
ix, 454 p. , 920311 23 cm..
0130326151

By Freeman, Howard E.,.
Madrid Editorial Tecnos 1981 .
x, 159 p. , Translation of : Social research and social policy.

By Freeman, Howard E.,.
New York Wiley 1963 .
309 p. 24 cm..

By Rossi, Peter Henry.
Mexico Trillas 1989 .
488 p. , Translation of: Evaluation : a systematic approach. 9682428904

By Rossi, Peter Henry.
Thousand Oaks, CA Sage 2004 .
x, 470 p. 24 cm..
0761908943 (alk. paper)