Afni, Fahriza Sri, et al. “Production of Alginate Oligosaccharides (AOS) As Prebiotic Ingredients through by Alginate Lyase Enzyme”. Jurnal Pengolahan Hasil Perikanan Indonesia, vol. 20, no. 1, Apr. 2017, pp. 109-22, https://doi.org/10.17844/jphpi.v20i1.16498.