TY - BOOK AU - Gerring, John TI - Case study research: Principles and practices T2 - Strategies for social inquiry SN - 9781316632505 U1 - 001.433 20 PY - 2017/// CY - Cambridge PB - Cambridge Uhi Pr KW - Generalities KW - Social sciences KW - Research KW - Methodology KW - Case method ER -