Damayanti, Ervina, Sri Jayanthi, and Ayu Wahyuni. “Mangrove Crab (Scylla Olivacea) Population in The Waters of The Mangrove Area, Sei Lepan Subdistrict, Langkat District, North Sumatera ”. Jurnal Biologi Tropis 24, no. 4 (December 1, 2024): 1128–1133. Accessed May 31, 2025. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/7653.