Moh. Muzakki Firmansyah, Akhmad Ahfas, Syamsudduha Syahrorini, and Dwi Hadidjaja Rasjid Saputra. “Smartphone-Based Digital KWH Meter and SMS Gateway in Residential Homes: Rancang Bangun KWH Meter Digital Berbasis Smartphone Dan SMS Gateway Pada Rumah Hunian”. Procedia of Engineering and Life Science 1, no. 1 (March 25, 2021). Accessed July 1, 2025. https://pels.umsida.ac.id/index.php/PELS/article/view/743.