UBOGU, Andrew. Telecommunications and intra‐urban trip pattern in Zaria. Transport, [S. l.], v. 23, n. 2, p. 161–166, 2008. DOI: 10.3846/1648-4142.2008.23.161-166. Disponível em: https://journals.vilniustech.lt/index.php/Transport/article/view/6658. Acesso em: 16 may. 2025.