Fun, L. F., N. L. A. Vivekananda, H. L. . Mikarsa, and D. K. Putri. “Validity and Reliability of Grit Measuring Tools for Students in Indonesia”. Humanitas (Jurnal Psikologi), vol. 8, no. 3, Dec. 2024, pp. 266-7, doi:10.28932/humanitas.v8i3.10240.