Prasertsak, A., P. Piriyapongrat, and K. Trakoolchokumnuay. “The Model of Innovation Management of Private Hospital in Nakhon Pathom Province”. Journal of Humanities and Social Sciences, Rajapruk University, vol. 9, no. 1, Apr. 2023, pp. 56-74, https://so03.tci-thaijo.org/index.php/rpu/article/view/267840.