Samuel Wycliff, and Abba Aliyu Sararinkuka. “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”. LAPAI JOURNAL OF NIGERIA HISTORY 13, no. 3 (December 29, 2021): 37–50. Accessed July 22, 2024. https://ojs.ibbujournals.com.ng/index.php/ljnnhh/article/view/825.