Xu S, Chen Y, Teng Z, Pu X. Equity-Oriented Two-Echelon Vehicle Routing Problem: A Three-Phase Heuristic Algorithm. Int J Ind Eng [Internet]. 2025 Jun. 2 [cited 2026 Apr. 26];32(3). Available from: https://ijietap.journals.publicknowledgeproject.org/ijietap/index.php/ijie/article/view/10839