Suechoey B, Maleewat P, Saelee V. INSTRUMENT OF VOLTAGE RATIO AND CHECK OF PHASE DISPLACEMENT. SWU (JS&T) [Internet]. 2021 Dec. 30 [cited 2024 May 7];13(26, July-December):48-59. Available from: https://ph02.tci-thaijo.org/index.php/swujournal/article/view/246228