J. Tan, Fibor, et al. “One-Dimensional (1D) River Analysis of a River Basin in Southern Luzon Island in the Philippines Using Lidar Digital Elevation Model”. International Journal of Engineering & Technology, vol. 7, no. 3.7, July 2018, pp. 29-33, https://doi.org/10.14419/ijet.v7i3.7.16200.