Celebrado, M.B., Sagisi, J.L.B. and Garcia, W. 2019. Spectroscopic studies of low pressure hydrogen DC glow discharge. Proceedings of the Samahang Pisika ng Pilipinas, 37(1), SPP-2019-3E-05. URL: https://proceedings.spp-online.org/article/view/SPP-2019-3E-05.