Park, S.J., Jallorina, M. and Culaba, I. 2015. Hydrophilic polymethyl-methacrylate (PMMA) by nitrogen-argon plasma treatment. Proceedings of the Samahang Pisika ng Pilipinas, 33(1), SPP-2015-4B-04. URL: https://proceedings.spp-online.org/article/view/1119.