Azaryan, Robert, and Lusine Melikyan. “STUDY OF VISUAL PERCEPTION IN PRIMARY SCHOOL STUDENTS IN THE ASPECT OF PREVENTION OF MYOPIA”. Education in the 21st Century 9, no. 1 (June 23, 2023): 164–169. Accessed November 21, 2024. https://journals.ysu.am/index.php/Educ-21st-Century/article/view/10400.