Al-Ani, Neamat M, and Sulafa K El-Samarrai. “Dental Caries and Treatment Needs Among 12 Year-Old School Children in Heet City Al-Anbar Governorate Iraq”. Journal of Baghdad College of Dentistry, vol. 26, no. 3, Sept. 2014, pp. 160-3, https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/535.