Do Duc Trung, Nazlı Ersoy, Tran Van Dua, Duong Van Duc, and Manh Thi Diep, “M-OPARA: A Modified Approach to the OPARA Method”, Decis. Mak. Appl. Manag. Eng., vol. 8, no. 1, pp. 256–275, Feb. 2025.