Rohitsathian, Sarayut, Udomsak Chotimongkol, and Somboon Kokpha. 2025. “Design of an Automatically Expandable Solar Battery Charging System for a 6-Seater Electric Golf Cart”. Journal of Energy and Environment Technology of Graduate School Siam Technology College 12 (1):81-90. https://ph01.tci-thaijo.org/index.php/JEET/article/view/262535.