Ruangwattana, Sriwan, Pornthana Kaewkhumpa, and Oratai Thummapok. 2024. “The development of nursing supervision program model for the first-line manager based towards patient safety in the intensive care nursing department, Lamphun Hospital”. Journal of Nakornping Hospital 15 (1):108-24. https://he01.tci-thaijo.org/index.php/jnkp/article/view/266955.