PUSPITA, S.; SIREGAR, S. H.; NEDI, S. TOTAL OIL CONTENT AND EPIPHYTIC DIATOM DENSITY IN SEAGRASSES LEAVES Enhalus acoroides AT PANDARATAN BEACH TAPANULI TENGAH REGENCY NORTH SUMATERA PROVINCE. Asian Journal of Aquatic Sciences, v. 4, n. 1, p. 21-28, 7 Apr. 2021.