M. Sakalasuriya, D. Amaratunga, R. Haigh, and S. Hettige, “A Study of The Upstream-downstream Interface in End-to-end Tsunami Early Warning and Mitigation Systems”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 8, no. 6, pp. 2421–2427, Dec. 2018.