YASINIA, A. R. .; RAHMAWATI, I. D. .; WULANDARI, R. . IMPROVING LEARNING OUTCOMES ON THE CONCEPT OF SUBSTANCE FORMS AND THEIR CHANGES THROUGH THE ’FRIENDLY AND HEALTHY SOAP’ EXPERIMENTAL METHOD AND ROLE PLAYING METHOD: EXPERIMENTAL STUDY ON ELEMENTARY SCHOOL STUDENTS. Jurnal Ilmiah Pendidikan Dasar (JIPDAS), [S. l.], v. 5, n. 2, p. 1349–1359, 2025. DOI: 10.37081/jipdas.v5i2.2812. Disponível em: https://jipdas.jurnalcenter.com/index.php/JIPDAS/article/view/2812. Acesso em: 18 mar. 2026.