M. Alfarozy Syahputra, & Tengku Adlin Ahmad Albab. (2025). Effectiveness of QR Code-Based Prisoner Data Management System: Implementation of Community Service at Class IIB Pangkalan Brandan Prison, Indonesia. Young Journal of Social Sciences and Humanities, 1(3), 221–229. https://doi.org/10.66867/yjssh.v1i3.207