Creating engaging chemistry lessons: PBL and cooperative learning strategies to combat student boredom in secondary education. EDUSAINS, [S. l.], v. 17, n. 1, p. 91–103, 2025. DOI: 10.15408/es.v17i1.46774. Disponível em: https://journal.uinjkt.ac.id/edusains/article/view/46774. Acesso em: 16 oct. 2025.