The Effect of Problem-Based Collaborative Learning Model on Motivation and Problem-Solving Ability In Social Studies Learning for 5th Grade Elementary School Students. Indonesian Journal of Primary Education, [S. l.], v. 5, n. 1, p. 23–31, 2021. Disponível em: https://ejournal-tasikmalaya.upi.edu/ijpe/article/view/312. Acesso em: 29 sep. 2026.