PENGARUH MODEL PEMBELAJARAN PBL TERHADAP MOTIVASI DAN HASIL BELAJAR SISWA SMA PADA MATERI IKATAN KIMIA. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 3, p. 3291–3296, 2026. DOI: 10.54314/jssr.v9i3.6164. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6164.. Acesso em: 3 sep. 2026.