“Kandungan Nitrogen Saat Pasang Dan Surut Di Sungai Mahakam Kota Samarinda: Nitrogen Content During High and Low Tides in the Mahakam River, Samarinda City”. 2023. Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) 2 (1): 24-29. https://doi.org/10.30872/jipt.v2i1.179.