Sittivongsa, Boonpeng, and Kanokon Boonmee. “Factors Affecting Ordering Decisions Buy Products Through the Online Service Provider Food Delivery Online in Nong Khai Province”. Rajamangala University of Technology Tawan-ok Social Science Journal 12, no. 2 (December 31, 2023): 95–103. Accessed May 24, 2024. https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/267938.