Arman Harahap, Khairul, Kusno, Sriono, Eva Fitria, Bernat Panjaitan, Maya Jannah, Khairul Insani Ilham 2020. Species Composition & Ecology Index Of The Family Gobiidae At The Mangrove Belawan Of Sicanang Island. International Journal of Advanced Science and Technology. 29, 05 (May 2020), 4877 - 4882.