Siregar, Z., Barus, T. A. and Aththorick, T. A. (2024) “Percentage of Live Coral Cover in The Regional Water Conservation Area of the Sawo “ Lahewa Water Tourism Park, North Nias District”, Tunas Geografi, 13(1), pp. 83–97. doi: 10.24114/tgeo.v13i1.55178.