Костенко, Роман, and Александр Удод. “ LABORATORY RESEARCH OF BORDER APPLICATION OF RESTORATION MATERIALS IN DIRECT AND INDIRECT RESTORATIONS”. SWorldJournal 7, no. 06-07 (December 30, 2020): 34–39. Accessed May 8, 2024. https://www.sworldjournal.com/index.php/swj/article/view/swj06-07-147.