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Gurusinga, Bryan, Ima Yudha Perwira, & Alfi Hermawati Waskitasari.
" Kandungan Nutrien (Nitrat dan Fosfat) di Sungai Seruai, Sumatera Utara." <em>Current Trends in Aquatic Science</em> [Online], 5.2 (2022): 135-141. Web. 31 Aug. 2026