Studi Kajian Literature : Analisis Kelimpahan Mikroplastik Pada Sedimen di Perairan Laut Indonesia: Literature Review Study : Analysis of Microplastic Abundance in Marine Sediment in Indonesia Waters Charmila Umamit, Hasria ., Arisona ., Harisma, Muliddin, La Hamimu Einstein's: Research Journal of Applied Physics Vol. 3 No. 2 2025 DOI 10.33772/einsteins.v3i2.1530