Kaewkamol, Gunyamas, and Pattanan Surachatee. “MANAGEMENT AFFECTING MODERN SERVICES PEA 4.0 OF USER IN PROVINCIAL ELECTRICITY AUTHORITY PHRA NAKHON SI AYUTTHAYA”. Journal of Graduate MCU KhonKaen Campus 7, no. 4 (December 30, 2020): 409–423. accessed September 12, 2026. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/244291.