Bagus Subekti, and Muhammad Yasser Arafat. “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, no. 09 (September 28, 2026): 2364–2381. Accessed October 5, 2026. https://ejournal.seaninstitute.or.id/index.php/esaprom/article/view/8919.