Phankong, Assoc. Prof. Dr. Nathabhat, Kittikorn Meesang, Sirichai Dangeam, Surin Ngaemngam, Promsak Apiratikul, Prusayon Nintanavongsa, Saichol Chudjuarjeen, and Monthon Nawong. “Conceptual Design of the Cooling System for a 3D Oil-Immersed Distribution Transformer”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 23, no. 3 (October 26, 2025). accessed August 28, 2026. https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/260627.