SIAGIAN, Christian Andreas; SURBAKTI, Eunike Endariahna; KHAERUZZAMAN, Yaman. Recommendation System Coffee Shop using AHP and TOPSIS Methods. Ultimatics : Jurnal Teknik Informatika, [S. l.], v. 16, n. 1, p. 46–53, 2024. DOI: 10.31937/ti.v16i1.3579. Disponível em: https://ejournals.umn.ac.id/index.php/TI/article/view/3579. Acesso em: 19 oct. 2025.