SERNAU, S. USING A COLLABORATIVE PROBLEM-SOLVING APPROACH IN TEACHING SOCIAL STRATIFICATION. TRAILS: Teaching Resources and Innovations Library for Sociology, Washington DC: American Sociological Association., 2010. Disponível em: https://trails.asanet.org/article/view/using-a-collaborative-problem-solving-approach-in. Acesso em: 25 apr. 2024.