Susanti, Anita, Belal Batiha, Tareq Hamadneh, Gharib Mousa Gharib, Widi Aribowo, Haider Ali, Riyadh Kareem Jawad, et al. “Application of the Orangutan Optimization Algorithm for Solving Vehicle Routing Problems in Sustainable Transportation Systems”. Engineering, Technology & Applied Science Research 15, no. 3 (June 4, 2025): 22915–22922. Accessed June 19, 2026. https://www.etasr.com/index.php/ETASR/article/view/10545.