SYIFAIYAH, R.; TUKIRAN, T.; ERMAN, E. DEVELOPMENT OF CHEMISTRY INSTRUCTION MATERIAL USING PROBLEM BASED LEARNING MODEL FOR INCREASING THE STUDENT OF SENIOR HIGH SCHOOL LEARNING ACHIEVEMENT. JPPS (Jurnal Penelitian Pendidikan Sains), [S. l.], v. 7, n. 2, p. 1479–1486, 2018. DOI: 10.26740/jpps.v7n2.p1479-1486. Disponível em: https://journal.unesa.ac.id/index.php/jpps/article/view/2927. Acesso em: 3 may. 2024.