SALMAWATI, Salmawati; KAHARUDDIN, Andi; SYAM, Nurfaidah; BIMA, Bima; MAHMUDIN, Said Kamil. Efektivitas Penerapan Model Problem Based Learning (PBL) Terhadap Hasil Belajar Matematis Materi Segitiga Siswa SMP. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 4, p. 12262–12271, 2024. DOI: 10.31004/innovative.v4i4.14543. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/14543. Acesso em: 18 may. 2026.