Sison, G.D., Pasion, P.A. and Tapang, G.A. 2014. Detected communities in the relationship networks of PDAF releases from 2007-2009. Proceedings of the Samahang Pisika ng Pilipinas, 32(1), SPP2014-PA-03. URL: https://proceedings.spp-online.org/article/view/1850.