Uzunoğlu, S. B. ., T. . Uzunoğlu, S. . Koçsuz, M. . Evyapan, and O. . Arslan. “Metal Ion Effects on Polyphenol Oxidase Covalently Immobilized on a Bio-Composite”. Cellular and Molecular Biology, vol. 67, no. 2, Sept. 2021, pp. 50-55, doi:10.14715/cmb/2021.67.2.8.