BARIDDAH, S.; NASUTION, S.; NEDI, S. POPULATION DENSITY AND LENGHT-WEIGHT REALTIONSHIP IN MANGROVE GASTROPOD Cerihidea cingulata AND Littoraria scabra OF PANGKALAN SESAI VILLAGE, DUMAI CITY. Asian Journal of Aquatic Sciences, v. 3, n. 3, p. 193-201, 3 Dec. 2020.