Fun, Lie Fun, Ni Luh Ayu Vivekananda, Hera Lestari Mikarsa, and Dian Kemala Putri. “Validity and Reliability of Grit Measuring Tools for Students in Indonesia”. Humanitas (Jurnal Psikologi) 8, no. 3 (December 31, 2024): 266–276. Accessed January 16, 2025. http://114.7.153.31/index.php/humanitas/article/view/10240.