PRANOTO, I.; EFENDI, N. Effectiveness of Teacher Learning Devices on Concept Attainment Model Learning: Efektivitas Perangkat Pembelajaran Guru pada Pembelajaran Concept Attainment Model. Academia Open, [S. l.], v. 7, p. 10.21070/acopen.7.2022.3979, 2022. DOI: 10.21070/acopen.7.2022.3979. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/3979. Acesso em: 4 sep. 2025.