00342nam a2200121Ia 4500008004100000040001600041041001200057082001800069100001800087245006300105260003600168300001600204230917s9999||||xx |||||||||||||| ||und||  e23560aMAIN  aEnglish  a301.018 R745S  aRothman, Jack 0aSocial R&D: research and development in the human services  aNew JerseybPrentice Hallc1980  axii, 290 p.