Natthapong panjumpa และ Rongrit Chatthaworn. (2021) Optimal Asset Management of Distribution Transformers Considering Life Cycle Costs. <i>Engineering Access</i>, <i>7</i>(2), 159-168.Natthapong panjumpa และ Rongrit Chatthaworn. "Optimal Asset Management of Distribution Transformers Considering Life Cycle Costs". Engineering Access 7 (2021):159-168.Natthapong panjumpa และ Rongrit Chatthaworn. Optimal Asset Management of Distribution Transformers Considering Life Cycle Costs. Faculty of Engineering Mahasasakham University:ม.ป.ท. 2021.