“Pengaruh Model Pembelajaran Problem Based Learning Dalihan Na Tolu terhadap Keterampilan Kolaboratif dan Kemampuan Kognitif Siswa” (2025) Nawasena : Journal of Mathematics, Science and Technology Education, 1(02), pp. 23–30. Available at: https://educationalresearchjournal.com/index.php/njmste/article/view/10 (Accessed: 25 October 2025).