PANCHAL, S.; DEBBARMA, A. Rail-Route Planning Using a Geographical Information System (GIS). Engineering, Technology & Applied Science Research, Greece, v. 7, n. 5, p. 2010–2013, 2017. DOI: 10.48084/etasr.1329. Disponível em: https://etasr.com/index.php/ETASR/article/view/1329. Acesso em: 19 jan. 2022.