Nurhayati, L., Wardoyo, S. E. and Rosita, R. (2017) “PERSENTASE TOTAL AKTIVITAS ANTIOKSIDAN DARK CHOCOLATE DAN MILK CHOCOLATE SECARA SPEKTROFOTOMETRI”, Sains Natural: Journal of Biology and Chemistry, 2(1), pp. 70–80. doi: 10.31938/jsn.v2i1.36.