Mahmud, M. R., Hewitt, N., Johnston, G., Ironside, S., & Omar, A. H. (2020). FIG Commission 4 – Hydrography Work Plan (2019-2022) and Commission Activities. The International Hydrographic Review, (24), 209–213. Retrieved from https://journals.lib.unb.ca/index.php/ihr/article/view/33160