Relationship between Total Suspended Solid and Chlorophyll-a in Coastal Waters of Sepahat Beach, Bandar Laksamana Bengkalis Muhamad Ryan Fatiha Putra ; Rifardi Rifardi ; Yusni Ikhwan Siregar Journal of Coastal and Ocean Sciences 2 Okt 2026 10.31258/jocos.7.1.52-57