Fakhri, Muhammad, Prive Widya Antika, Arning Wilujeng Ekawati, and Nasrullah Bai Arifin. 2020. “Growth, Pigment and Protein Production of Spirulina Platensis under Different Ca(NO3)2 Concentrations”. Journal of Aquaculture and Fish Health 9 (1):38-47. https://doi.org/10.20473/jafh.v9i1.15769.