EFFECTIVENESS OF THE DIGITAL COMPETENCE DEVELOPMENT METHODOLOGY FOR RESEARCHERS AND ACADEMIC STAFF USING OPEN EDUCATIONAL AND SCIENTIFIC INFORMATION SYSTEMS: FORMATIVE EXPERIMENT RESULTS. КОСН [Internet]. 2025 Jun. 27 [cited 2026 Feb. 11];(24 (31):137-48. Available from: https://sj.udu.edu.ua/index.php/kosn/article/view/93