Penerapan Model Problem Based Learning dalam Meningkatkan Hasil Belajar Materi Keliling dan Luas Lingkaran Siswa Kelas VI MIS Nurul Huda Kelayan Banjarmasin. Jurnal Sultan Idris Pendidikan Profesi Guru, [S. l.], v. 3, n. 2, p. 63–72, 2025. DOI: 10.21093/si-ppg.v3i2.12269. Disponível em: https://journal.uinsi.ac.id/index.php/SIPPG/article/view/12269. Acesso em: 26 jul. 2026.