Padunggun , Y., and W. Wongsuriya. “Development of an e-book on Electrical Instruments and Measurements for industrial students”. Journal of Multidisciplinary Research and Social lnnovation, vol. 1, no. 3, Dec. 2025, pp. 39-50, https://so10.tci-thaijo.org/index.php/MRSI/article/view/2947.