Mohr, Lawrence B.
Impact analysis for program evaluation - 2nd ed. - Thousand Oaks, Calif. : Sage, 1995 - 311
POLICY SCIENCES
EVALUATION RESEARCH (SOCIAL ACTION PROGRAMS)
H97 / M637I 1995
Impact analysis for program evaluation - 2nd ed. - Thousand Oaks, Calif. : Sage, 1995 - 311
POLICY SCIENCES
EVALUATION RESEARCH (SOCIAL ACTION PROGRAMS)
H97 / M637I 1995