TY - BOOK AU - Goertz, Gary TI - Multimethod research, causal mechanisms and case studies: An Integrated approach SN - 9780691174129 U1 - 001.4 20 PY - 2017/// CY - Princeton PB - Princeton Uni Pr KW - Generalities KW - Social sciences KW - Research KW - Methodology KW - Causation ER -