Fakhri, M., Antika, P.W., Ekawati, A.W. and Arifin, N.B. 2020. Growth, Pigment and Protein Production of Spirulina platensis under different Ca(NO3)2 concentrations. Journal of Aquaculture and Fish Health. 9, 1 (Jan. 2020), 38–47. DOI:https://doi.org/10.20473/jafh.v9i1.15769.