Hardianingsih, A. ., and E. B. E. A. Malaihollo. “Design of Web-Based Used Motorcycle Sales Information System on Motorcycle Dealers”. International Journal of Service Science, Management, Engineering, and Technology, vol. 2, no. 2, Oct. 2022, pp. 21-24, https://ejournalisse.com/index.php/isse/article/view/35.