“Implementasi Model Problem Based Learning Sebagai Upaya Meningkatkan Keaktifan Prestasi Belajar Peserta Didik Kelas X-3” (2024), 2(1), pp. 32–39. Available at: https://conference.upgris.ac.id/index.php/psnppg/article/view/5857 (Accessed: 11 August 2026).