Safari, Benny Widaryanto, Ibnu Salman, Heni Waluyo, Suhermai, Suci Paresti, Renni Diastuti, and Muh Murtadlo. “PISA 2018 Student Radicalism”. Migration Letters 20, no. 8 (November 6, 2023): 640–650. Accessed October 5, 2024. https://migrationletters.com/index.php/ml/article/view/5434.