Muhammad Bayu Aji, and Roos Widjajani. “Motor Vehicle Testing Service: Implementation Study on Motor Vehicle Testing Services Regulation at the East Kutai, of Indonesia”. International Journal of Research in Social Science and Humanities (IJRSS) ISSN:2582-6220, DOI: 10.47505/IJRSS 3, no. 9 (September 15, 2022): 8–16. Accessed November 29, 2022. https://ijrss.org/index.php/ijrss/article/view/194.