SISTEM PENDUKUNG KEPUTUSAN DALAM PEMBERIAN PROMO TIKET PADA MEMBER DENGAN MENGGUNAKAN METODE MULTI-OBJECTIVE OPTIMIZATION BY RATIO ANALYSIS (MOORA) PADA PT. VINA TOUR & TRAVEL. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 5, n. 1, p. 134–142, 2022. DOI: 10.54314/jssr.v5i1.805. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/805.. Acesso em: 3 may. 2026.