TY - BOOK AU - Rothman,Jack TI - Social R & D ; research and development in the human services SN - 0137740425 PY - 1980/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Social sciences KW - Research KW - Methodology KW - Evaluation research (Social action programs) N1 - Includes bibliographies and index ER -