Maharany, Fevita, et al. “Bioactive Compounds of Seaweed Padina Australis and Eucheuma Cottonii As Sunscreen Raw Materials”. Jurnal Pengolahan Hasil Perikanan Indonesia, vol. 20, no. 1, Apr. 2017, pp. 10-17, https://doi.org/10.17844/jphpi.v20i1.16553.