D. Suleiman, S. A. Oludele, U. K. Alhassan, and M. Muhammad, “Tricycle Transport and Urban Sustainability in Zaria, Nigeria: A Multidimensional Assessment”, Kaduna J. Geogr., vol. 8, no. 1, pp. 689–702, Sep. 2026, doi: 10.47514/kjg.2026.08.01.066.