Lu’ma, Alfita Dhurrotul, and Mirwa Adiprahara Anggarani. “Determination of Flavonoid Concentration, Phenolic Concentration, and Antioxidant Activity of Allium Cepa L Extract”. Prisma Sains : Jurnal Pengkajian Ilmu Dan Pembelajaran Matematika Dan IPA IKIP Mataram, vol. 10, no. 3, July 2022, pp. 658-72, doi:10.33394/j-ps.v10i3.5394.