DiharningrumI.M. and HusniA. 2018. Acid and calcium alginate extraction method affected the quality of alginate from brown seaweed Sargasum hystrix J. Agardh. Jurnal Pengolahan Hasil Perikanan Indonesia. 21, 3 (Dec. 2018), 532-542. DOI:https://doi.org/10.17844/jphpi.v21i3.24737.