TY - CHAP TI - Institutionalization: Unpacking the Concept and Explaining Party Change AU - Levitsky, Steven T2 - Concepts and Method in Social Science: The Tradition of Giovanni Sartori A2 - Collier, David A2 - Gerring, John DA - 2009/01/26/ PY - 2009 DP - Google Books LA - English PB - Routledge SN - 978-0-415-77578-6 KW - #nosource KW - Institutionalization ER -