Periodicals Periodicals. -- 3 Evaluation research (Social action programs) -- 2 Methodology -- 2 Research -- 2 Social sciences -- 2 Technical education -- 2 more ... Evaluation Studies -- 1 Health Planning -- 1 Health Services -- 1 Periodicals -- 1 Politics and government -- 1 Right and left (Political science) -- 1 Social Work -- 1 less ...