Sahib, Amjed M, and Nada J Radhi. “Oral Cleanness and Periodontal Health Status Among Coffee-Shop Workers in Najaf City Iraq”. Journal of Baghdad College of Dentistry 30, no. 4 (December 15, 2018): 15–19. Accessed November 27, 2024. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/2549.