สุมขุนทด อ., & วิวัฒน์วานิช ส. (2018). The Study of Professional Background and Leadership Characteristic of Frontline Nurse Managers in Medical Centers, Ministry of Public Health*. Kuakarun Journal of Nursing, 23(2), 217–231. Retrieved from https://he01.tci-thaijo.org/index.php/kcn/article/view/149382