Hakobyan F. TEACHERS’ PROFESSIONAL DEVELOPMENT ISSUES AND WAYS OF SOLUTION IN THE RA. Educ-21st-Century [Internet]. 2022 Jul. 21 [cited 2024 Apr. 28];7(1):49-57. Available from: https://journals.ysu.am/index.php/Educ-21st-Century/article/view/vol7_no1_2022_pp49-57