Bagus Subekti, & Muhammad Yasser Arafat. (2026). Implementation of a Web-Based Application System for Recommending Optimal Car Engine Oil Selection Using the AHP and TOPSIS Methods (Case Study: Astrido Daihatsu Serpong). Jurnal Ilmiah Multidisiplin Indonesia (JIM-ID), 5(09), 2364–2381. Retrieved from https://ejournal.seaninstitute.or.id/index.php/esaprom/article/view/8919