Karuniawan, Heru, Lalu Mutawalli, and Khairul Imtihan. “Evaluating Digital Readiness and Teachers’ Perceptions of a Digital Based Performance Appraisal System in Secondary Schools”. Journal of Information Systems and Informatics 7, no. 3 (September 30, 2025): 2617-2635. Accessed December 19, 2025. https://journal-isi.org.adsii.or.id/index.php/isi/article/view/1212.