Prasetyo, Himawan, Iriani Setyaningsih, and Dewi Ratih Agungpriyono. 2015. “Growth and Extracelluler Polysaccaride Production of Porphyridium Cruentum In Various Photoperiod”. Jurnal Pengolahan Hasil Perikanan Indonesia 18 (2). Bogor, ID, 219-29. https://doi.org/10.17844/jphpi.v18i2.12882.