kookkaew, pathompong, Tawanchai Sinet, and Supichaya Phupha. “The Influence of Service Marketing Mix and Perceived Service Quality on the Decision to Use Parcel Delivery Services by Online Entrepreneurs: A Case Study of the Thai–Cambodian Border Trade Zone in Sa Kaeo Province”. Rajamangala University of Technology Tawan-ok Social Science Journal 15, no. 1 (June 30, 2026): 159–173. accessed September 13, 2026. https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/280357.