PUSPITASARI, Eryan Siwi; RUFAIDAH, Desy; ASTARI, Ismi; NAFISAH, Hikmatun. Implementasi problem-based learning untuk meningkatkan hasil belajar dan keterampilan kolaborasi siswa SMP. Indonesian Journal of Learning and Educational Studies, [S. l.], v. 2, n. 2, p. 86–97, 2024. DOI: 10.62385/ijles.v2i2.142. Disponível em: https://jurnal.piramidaakademi.com/index.php/ijles/article/view/142. Acesso em: 17 jun. 2026.