nurlinda, lindabp nur, S. Waspodo, and S. Amir. “THE EFFECT OF THE CONCENTRATION OF UREA FERTILIZER ON ROTIFER (Brachionus Plicatilis) POPULATION GROWTH”. Fisheries Journal, vol. 9, no. 2, Jan. 2020, pp. 130-6, doi:10.29303/jp.v9i2.156.