MASPIROH, Iyoh; SUBALI, Bambang. Development of Problems-Based Computer Assisted Instruction on Waste Material and Its Effect on Students Problem Solving Ability. Journal of Science Education Research, [S. l.], v. 3, n. 1, p. 11–19, 2019. DOI: 10.21831/jser.v3i1.27297. Disponível em: https://journal.uny.ac.id/index.php/jser/article/view/27297. Acesso em: 9 may. 2025.