S Gasgoos, S., and S. Abed Al moneim. “Influence of Er,Cr:YSGG and Diode Lasers on The Microhardness of Enamel at Fissure Area: (An in Vitro Study)”. Al-Rafidain Dental Journal, vol. 23, no. 1, Mar. 2023, pp. 211-9, doi:10.33899/rdenj.2022.131327.1132.