ANDHITA, K.; UNTARI, R. S. OPBL Learning Model on Problem Solving Ability in Basic Programming Subjects in Vocational High Schools: Model Pembelajaran OPBL Terhadap Kemampuan Pemecahan Masalah Pada Mata Pelajaran Pemrograman Dasar di Sekolah Menengah Kejuruan. Indonesian Journal of Education Methods Development, [S. l.], v. 18, n. 1, p. 10.21070/ijemd.v21i.726, 2023. DOI: 10.21070/ijemd.v21i.726. Disponível em: https://ijemd.umsida.ac.id/index.php/ijemd/article/view/726. Acesso em: 1 aug. 2025.