Mukhlis, S., Shinwari, S., Kuchai, K., Sharafmal, D. M., Ulfat, W. and Elmi, F. (2024) “The Role of Catalytic Converter in Vehicles”, Nangarhar University International Journal of Biosciences, 3(02), pp. 532–535. doi: 10.70436/nuijb.v3i02.292.