SYAIFUL KADIR. PROBLEM BASED LEARNING MODELS AND STUDENTS INITIAL ABILITIES TOWARD CREATIVE THINKING ABILITIES IN HISTORICAL LESSONS. International Journal of Innovations in Engineering Research and Technology, [S. l.], v. 8, n. 2, p. 22–25, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/1220. Acesso em: 26 sep. 2022.