Puditpornsawat, Warinchaya, and Montri Srirachalao. “CUSTOMERS’ SATISFACTION ON THE SERVICE WITH COIN-OPERATED WASHING MACHINES’ LOCATED IN NAKHONRATCHASIMA PROVINCE”. Journal of MCU Social Science Review 8, no. 1 (April 13, 2020): 288–298. accessed April 10, 2025. https://so03.tci-thaijo.org/index.php/jssr/article/view/241726.