[1]
PiƱol, C.M.N., Tadena, M.D. and Tapia, A.K.G. 2005. Understanding relative motion. Proceedings of the Samahang Pisika ng Pilipinas, 23(1), SPP-2005-WS-03. URL: https://proceedings.spp-online.org/article/view/SPP-2005-WS-03.