Martoyo, Ihan, and Lindawati Lindawati. “Grit, Student Academic Achievement and Factors Affecting It”. Jurnal Psikologi Teori dan Terapan 14, no. 03 (October 30, 2023): 262–269. Accessed May 20, 2024. https://journal.unesa.ac.id/index.php/jptt/article/view/23080.