Teodoro, D.A., Samson, E.C., Rosario, L.M. and Blanca, C.M. 2007. Dynamic illumination patterns for contrast enhancement using commercial media projector. Proceedings of the Samahang Pisika ng Pilipinas, 25(1), SPP-2007-PB-26. URL: https://proceedings.spp-online.org/article/view/SPP-2007-PB-26.