TY  - BOOK
AU  - RIECKEN, Henry W
TI  - Social experimentation : a method for planning and evaluating social intervention
U1  - 300.18 R51S 
PY  - 1974///
PB  - N.Y
KW  - SOCIAL SCIENCES -- METHODOLOGY
KW  - EVALUATION RESEARCH (SOCIAL ACTION PROG
KW  - SOCIAL SCIENCES -- FIELD WORK
ER  -