Aguila, D. M., Aday, Z. M., Delos Reyes, A. M. P., Palas, A. K., & Ruiz, H. M. A. M. (2016). Natural zeolite as exhaust filter for the adsorption of carbon monoxide, hydrocarbons, and carbon dioxide emitted by a motor vehicle. International Research Journal on Innovations in Engineering, Science and Technology, 2, 16–20. Retrieved from https://ojs.batstate-u.edu.ph/index.php/IRJIEST/article/view/21