Shafii, H. ., Ubogu, A. E. and Terdoo, F. (2025) “PASSENGERS’ PERCEPTION OF THE QUALITY OF INTER-STATE PUBLIC TRANSPORT SERVICES IN KATSINA, NIGERIA”, FUDMA Journal of Earth and Environmental Sciences, 2(01), pp. 1–11. doi: 10.33003/jees.2025.0201/01.