Daveza, .H.P. et al. 2025. Pengaruh perbedaan waktu ekstraksi terhadap karakteristik kalsium Halimeda opuntia: The effect of different extraction time on the characteristics of calcium from Halimeda opuntia. Jurnal Pengolahan Hasil Perikanan Indonesia. 28, 1 (Jan. 2025), 1–12. DOI:https://doi.org/10.17844/jphpi.v28i1.56126.