Susanto, Lulu, and Evy Nurmiati. “RANCANG BANGUN APLIKASI HELPDESK DENGAN PENDEKATAN KNOWLEDGE MANAGEMENT SYSTEM SMAN 99 JAKARTA”. JURSIMA 10, no. 2 (July 27, 2022): 53 - 59. Accessed January 8, 2025. https://ojsiibn1.indobarunasional.ac.id/index.php/jursima/article/view/348.