SIAGIAN, Claudyo; MANALU, Andriono; SIAHAAN, Fine Eirene. Pengaruh Model Pembelajaran Problem Based Learning Terhadap Keterampian Proses Sains Fisika Siswa Sma Negeri 5 Pematang Siantar. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 1, p. 2740–2753, 2024. DOI: 10.31004/innovative.v4i1.8212. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/8212. Acesso em: 16 oct. 2026.