CHARLES-OWABA, O. E.; OLADOKUN, V.; OKUNADE, O. Development of the Contiguous-cells Transportation Problem. Engineering, Technology & Applied Science Research, Greece, v. 5, n. 4, p. 825–831, 2015. DOI: 10.48084/etasr.546. Disponível em: https://etasr.com/index.php/ETASR/article/view/546. Acesso em: 17 may. 2022.