Social R & D research and development in the human services

Manylion Llyfryddiaeth
Prif Awdur:	Rothman, Jack
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Englewood Cliffs, N.J. Prentice-Hall c1980.
Pynciau:	Social sciences > Research. Social sciences > Methodology. Evaluation research (Social action programs).