Hydro-Oceanographic and Bathymetric Survey in Tanjung Merah as a Basis for Modelling Coastal Spatial Plans of Bitung CityJoyce C Kumaat, Kalvin S Andaria and Denny MaliangkayE3S Web Conf., 328 (2021) 08006DOI: https://doi.org/10.1051/e3sconf/202132808006