“Urban Transportation in Northern Nigeria: An Exploratory Study of Commercial Motorcycle (Achaba) Transport System in the Socio-economic Growth and Development of Katsina Metropolis, 1987–2012” (2021) LAPAI JOURNAL OF NIGERIA HISTORY, 13(3), pp. 37–50. Available at: https://ibbujournals.com.ng/index.php/ljnnhh/article/view/825 (Accessed: 1 July 2025).