Abejuela, R.L., La Rosa, J.C.M., Mallanao, C.G. and Alinea, A.L. 2008. Cellular automata model of an invasive spread. Proceedings of the Samahang Pisika ng Pilipinas, 26(1), SPP-2008-PB-38. URL: https://proceedings.spp-online.org/article/view/SPP-2008-PB-38.