Camacho, M.A.C., Blantocas, G.Q., Culaba, I. and Ramos, H.J. 2008. Investigation on the effects of hydrogen and oxygen glow discharge plasma treatment on copper-HDPE adhesion. Proceedings of the Samahang Pisika ng Pilipinas, 26(1), SPP-2008-PA-20. URL: https://proceedings.spp-online.org/article/view/SPP-2008-PA-20.