Awino, John Otieno, Thomas Onyango, and N. B. Okelo. “A REVIEW OF MATHEMATICAL MODELING OF CARBON POLLUTION BY VEHICLES ON HIGHWAYS WITH HUGE EMBANKMENTS”. IJRDO -JOURNAL OF MATHEMATICS 1, no. 5 (September 30, 2015): 36-45. Accessed December 12, 2024. http://467182.nmy9asj5x.asia/index.php/m/article/view/2412.