Sahrandi A, Taufiq M, Lubis KAS. Character Building Through Hidden Curriculum: Caregivers’ Tahajjud Exemplarity and Time Discipline in Pesantren. jpi [Internet]. 2026 Apr. 12 [cited 2026 Apr. 16];16(1):140-5. Available from: https://ejournal.uiidalwa.ac.id/index.php/jpi/article/view/4549