Systematic thinking for social action / Alice M. Rivlin. Rivlin, Alice M. Evaluation research (Social action programs) H62 .R56 361.2 RIS Includes bibliographical references. Washington : Brookings Institution, 1971. 1971. 1971 Text viii, 150 p. ; http://www.loc.gov/catdir/enhancements/fy1605/74161600-b.html http://www.loc.gov/catdir/enhancements/fy1605/74161600-d.html eng H. Rowan Gaither lectures in systems science