“RANCANG BANGUN SISTEM MONITORING KILO WATT HOURS (KWH) PASCA BAYAR PADA MESIN PRINTING BERBASIS TELEGRAM BOT”. Journal of Power Electric and Renewable Energy 2, no. 2 (January 21, 2025): 27–34. Accessed October 23, 2026. https://jurnal.stitek.ac.id/index.php/JPER/article/view/124.