cynthia perdana putri, et al. “Pengaruh Penambahan Gula Terhadap Waktu Fermentasi Sauerkraut Dari Kol (Brassica Oleracea L.)”. Symbiotic: Journal of Biological Education and Science, vol. 1, no. 2, Oct. 2020, pp. 70-75, doi:10.32939/symbiotic.v1i2.7.