Ružena Popović, Evdokia Samouilidou, Jasna Popović, and Milan Dolga. “Assessment of the Quality of Life, Health, and Social Wellness in Upper Elementary School Students: Cross-Cultural and Gender Specificity”. Britain International of Humanities and Social Sciences (BIoHS) Journal 2, no. 1 (February 6, 2020): 127-142. Accessed January 21, 2021. http://biarjournal.com/index.php/biohs/article/view/158.