Soda, Fransiska Nay, and Rudiana Agustini. “PENGARUH PENAMBAHAN ION LOGAM K + TERHADAP AKTIVITAS ENZIM PAPAIN (THE ADDITION EFFECT OF THE METAL ION K+ ON THE PAPAIN ENZYME ACTIVITIES)”. Unesa Journal of Chemistry, vol. 2, no. 2, May 2013, doi:10.26740/ujc.v2n2.p%p.