“Morphometric Studies of Seagrass Halophila ovalis (R.Brown) Hooker in Kahona, Lembeh Sub-district of Bitung City and in the Tasik Ria, Tombariri Sub-district , Minahasa District” (2018) Jurnal Ilmiah PLATAX, 7(1), pp. 19–26. doi:10.35800/jip.7.1.2019.21440.