Dumrongkit, Chanitra, Mai Noipitak, Chanon Chiablam, and Chonkarn Chiablam. “Investigation of transfer correction for in-service inspection of coated steel welds using ultrasonic method”. Journal of Renewable Energy and Smart Grid Technology 18, no. 1 (June 14, 2023): 14–28. accessed December 11, 2025. https://ph01.tci-thaijo.org/index.php/RAST/article/view/251085.