Barjaktarova-Valjakova, E., A. Grozdanov, L. Guguvcevski, V. Korunoska-Stevkovska, B. Kapusevska, N. Gigovski, A. Mijoska, and C. Bajraktarova-Misevska. “Acid Etching As Surface Treatment Method for Luting of Glass-Ceramic Restorations, Part 1: Acids, Application Protocol and Etching Effectiveness”. Open Access Macedonian Journal of Medical Sciences, vol. 6, no. 3, Mar. 2018, pp. 568-73, doi:10.3889/oamjms.2018.147.