Barjaktarova-Valjakova, E., Grozdanov, A., Guguvcevski, L., Korunoska-Stevkovska, V., Kapusevska, B., Gigovski, N., Mijoska, A. and Bajraktarova-Misevska, C. 2018. 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. 6, 3 (Mar. 2018), 568–573. DOI:https://doi.org/10.3889/oamjms.2018.147.