Yatra B, Meilina S. The Role of the Head of the Education Service Technical Implementation Unit (UPTD) in Improving Employee Performance in Sangir Batang Hari District, South Solok Regency. JPAB [Internet]. 2023 Dec. 30 [cited 2025 Aug. 31];10(2):13-2. Available from: http://adabi.ejournaladabiah.org/index.php/adabi/article/view/2