Intharasaen, W., T. Nakabut, C. Laprain, S. Suvanruangsri, and S. Koblapcharoen. “Standard Requirements for Smoke-Free Hospital 2023 versus Program and Disease Specific Standard 2020: Differences and Similarities”. Journal of Health Systems Research, vol. 18, no. 2, June 2024, pp. 277-87, https://he04.tci-thaijo.org/index.php/j_hsr/article/view/1489.