Sanguansak, Mongkhon, and Prayad Bhoomkhokrak. “Leadership Characteristic Development Model of Chief Police Station Officers under Provincial Region 3”. Ratchaphruek Journal 12, no. 2 (August 31, 2014): 54–60. accessed August 26, 2026. https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/240624.