R. Hamdani Harahap and Yeni Absah 2020. SUSTAINABLE COASTAL NATURAL RESOURCES UTILIZATION MODEL (CASE STUDY OF SEI NAGALAWAN VILLAGE, PERBAUNGAN DISTRICT, SERDANG BEDAGAI REGENCY, NORTH SUMATRA PROVINCE). PalArch’s Journal of Archaeology of Egypt / Egyptology. 17, 8 (Dec. 2020), 298-310.