Ngaemngam, S., Thangpreecharparnich, N. ., Muankhaw, T. ., Tubtongdee, S. ., Toomkaew, K. ., & Phuin, P. . . (2021). Prepaid Electric Energy Consumption System via Online Top-Up System and a Notification Through LINE Application . Journal of Engineering, RMUTT, 19(2), 43–52. Retrieved from https://ph01.tci-thaijo.org/index.php/jermutt/article/view/244438