سلوم ز. ا., and ريمة صقر. “A Comparative Study of Failure Modes Occurring in Empress 2 Crowns Made With Two Different Manufacturing Techniques (In Vitro Study)”. Tishreen University Journal -Medical Sciences Series, vol. 46, no. 2, June 2024, pp. 163-81, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/17361.