GUPTA, S. P.; DHAMALA, T. N. An FPTAS for Quickest Multi-commodity Contraflow Problem with Asymmetric Transit Times. Journal of Institute of Science and Technology, [S. l.], v. 27, n. 1, p. 101–107, 2022. DOI: 10.3126/jist.v27i1.46666. Disponível em: https://www.nepjol.info/index.php/JIST/article/view/46666. Acesso em: 4 may. 2024.