Khoirunisa, Aprillia, and Ali Amirul Mu'minin. “The Effect of Self-Efficacy and Academic Procrastination on Students’ Learning Outcomes in Thermochemistry”. Hydrogen: Jurnal Kependidikan Kimia 14, no. 5 (November 12, 2026). Accessed November 13, 2026. https://e-journal.undikma.ac.id/index.php/hydrogen/article/view/22543.