RAMLI, Ramli. Upaya Meningkatkan Keaktifan dan Hasil Belajar Matematika Siswa Melalui Model Problem Based Learning. DIDAKTIKA : Jurnal Pemikiran Pendidikan, [S. l.], v. 27, n. 2, p. 102–113, 2021. DOI: 10.30587/didaktika.v27i2.2258. Disponível em: https://journal.umg.ac.id/index.php/didaktika/article/view/2258. Acesso em: 4 jun. 2025.