Gultom, Josua Alexander, and Manaor Silitonga. “ANALISA LAYANAN JASA BENGKEL SEPEDA MOTOR TERHADAP KEPUASAN PELANGGAN (STUDI KASUS BENGKEL MOTOR DOLPINE DI KEC. MEDAN JOHOR)”. ATDS Saintech Journal of Engineering, vol. 4, no. 1, June 2023, pp. 11-22, https://ejournal.atds.ac.id/index.php/atdssaintech/article/view/22.