Pimaksorn, Pissanukorn, arkom kaewrawang, and Sa-Nguan Boonpanyarak. 2021. “The Effect of Installation Angle on the Electrical Energy Measurement of an Induction Type Single Phase Kilowatt Hour Meter”. Srinakharinwirot University Engineering Journal 16 (2). Bangkok, Thailand:79-93. https://ph02.tci-thaijo.org/index.php/sej/article/view/243652.