Sely, Zulhelmi and Ersa Desmelinda (2026) “Design and Performance Evaluation of a Portable DC Motor-Based Air Cooler for Energy-Efficient Local Cooling Applications ”, Journal of Frontier Research in Science and Engineering, 4(2), pp. 1–11. Available at: https://journal.riau-edutech.com/index.php/jofrise/article/view/201 (Accessed: 13 July 2026).