Dwigantara, M.F., Amin, B. and Efriyeldi, E. 2023. ANALYSIS OF ORGANIC MATTER CONTENT IN SEDIMENTS AND MACROZOOBENTHOS ABUNDANCE IN PAKNING RIVER WATERS, BENGKALIS REGENCY, RIAU PROVINCE. Asian Journal of Aquatic Sciences. 6, 1 (Mar. 2023), 68-75. DOI:https://doi.org/10.31258/ajoas.6.1.68-75.