Worapongpat ์. - Developing the service efficiency of the company’s employees Chairman of Electricity Co., Ltd.: -. Journal of Humanities and Social Sciences Mahamakut Buddhist University Isan Campus, [S. l.], v. 3, n. 1, p. 40–54, 2022. Disponível em: https://so06.tci-thaijo.org/index.php/jhsmbuisc/article/view/255537. Acesso em: 1 oct. 2026.