Afrinia, K., and B. Baidullah. “Application of Problem-Based Learning (PBL) Learning Model to Improve Student Learning Outcomes in Arithmetic Row Material Class XI SMAN 6 Southwest Aceh”. Jurnal Indonesia Sosial Teknologi, vol. 5, no. 9, Sept. 2024, pp. 3318-25, doi:10.59141/jist.v5i9.1733.