MRT Operational Cost Optimization with Lingo Programming and the Vogel Approximation Method. Nusantara Science and Technology Proceedings, Malang, Indonesia, v. 2023, n. 36, p. 224–230, 2023. DOI: 10.11594/nstp.2023.3632. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/1071. Acesso em: 24 apr. 2025.