Metushaj, A. (2015). The Socio-Economic Factor and the Oral Hygiene Absence, Determined as a Risk Factor Regarding the Children Gingival Diseases of Age 11-15. ANGLISTICUM. Journal of the Association-Institute for English Language and American Studies, 4(3), 33–37. Retrieved from https://anglisticum.org.mk/index.php/IJLLIS/article/view/194