Paul, F., R. Kiiza, and A. Kusekwa. “Comparative Analysis of Diesel-Powered Buses and CNG-Powered Buses in Mass Transit: A Case of Phase 2 of Tanzania’s Bus Rapid Transit”. East African Journal of Engineering, Vol. 8, no. 2, Dec. 2025, pp. 576-89, doi:10.37284/eaje.8.2.4116.