Tangket, Chairat. “Visionary Leadership That Affects Management Achievement of Administrative Organizations Sub-District In Bang Saphan-Noi District Prachuap Khiri Khan Province”. Journal of Graduate Saket Review 6, no. 2 (November 11, 2021): 54–67. Accessed May 19, 2024. https://so03.tci-thaijo.org/index.php/saketreview/article/view/254394.