Kummom D, Daengthern L. Relationship between Roles of Head Nurses in Supervision with Core Competencies of Civil Servants of Nurses, Phrae Hospital. Nursing [internet]. 2019 Feb. 13 [cited 2025 Dec. 11];12(2):117-2. available from: https://he01.tci-thaijo.org/index.php/NurseNu/article/view/171874