Arifin, M. A. . (2017) “Different Oxidation Treatments on Polystyrene (PS) Microspheres by using an Ultraviolet/Ozone (UVO3) System: Different Oxidation Treatments on Polystyrene (PS)”, Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, 54(1), pp. 59–64. Available at: https://www.ppaspk.org/index.php/PPAS-B/article/view/372 (Accessed: 4 December 2025).