Somboom, P., S. Nikornpttaya, and S. Soonthorn. “The Relationship Between Traffic Law Enforcement and Traffic Police Image of Thiantale Metropolitan Police Station”. Journal of Graduate MCU KhonKaen Campus, vol. 10, no. 1, Mar. 2023, pp. 164-77, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/258660.