D. Affandi, Garry Fernando Aritonang, Marwan Banjarnahor, and Ignasius Aje Defkan Ginting, “Design and Performance Analysis of an ESP32-Based Hybrid Charging System Using Solar Panels and USB Type-C for a Miniature Electric Vehicle”, IJESMI, vol. 1, no. 3, pp. 132–140, Aug. 2026.