Thammakawinwong, Nathakrid, and Ekasit Chaipin. “Development Direction for Smoke Free University of Lampang Rajabhat University”. Journal of The Royal Thai Army Nurses 23, no. 2 (October 2, 2022): 381–389. accessed October 10, 2026. https://he01.tci-thaijo.org/index.php/JRTAN/article/view/249969.