Kaewkamol, G. . ., and P. . . Surachatee. “MANAGEMENT AFFECTING MODERN SERVICES PEA 4.0 OF USER IN PROVINCIAL ELECTRICITY AUTHORITY PHRA NAKHON SI AYUTTHAYA”. Journal of Graduate MCU KhonKaen Campus, vol. 7, no. 4, Dec. 2020, pp. 409-23, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/244291.