Trung, Do Duc, Duong Van Duc, Nguyen Chi Bao, Nguyen Hoai Son, Duong Thi Thanh Thuy, and Nong Thi Thanh Nga. 2025. “R-Ram: A Novel Hybrid Model for Option Ranking”. Yugoslav Journal of Operations Research 36 (2):313-36. https://doi.org/10.2298/YJOR240615009T.