Daungkaew, W., T. Mooncheep, and A. Srisuta. “The development of a professional nurse staffing management model for patient safety, Lamphun Hospital”. Journal of Nakornping Hospital, vol. 14, no. 1, June 2023, pp. 176-92, https://he01.tci-thaijo.org/index.php/jnkp/article/view/262210.