Boonda, Phongpisanu. “Analytical Study of Virtual Service Provider Office Management (VSPOM) Factors for Service Plan in the Regional Health Service in Thailand”. CONNEXION Journal of Humanities and Social Sciences 7, no. 2 (December 28, 2018): 148–173. Accessed June 26, 2022. https://so05.tci-thaijo.org/index.php/MFUconnexion/article/view/241204.