HATICE SANCAR TOKMAK. EXPERIENCED K-12 TEACHERS’ OPINIONS ON BARRIERS PREVENTING SUCCESSFUL APPLICATIONS OF A CONSTRUCTIVIST CURRICULUM. International Journal of Eurasia Social Sciences , [S. l.], v. 2, n. 3, p. 1–10, 2011. Disponível em: https://rrpubs.com/index.php/ijoess/article/view/652. Acesso em: 17 may. 2025.