Kalashnyk, N.; Plakhotnyk, O.; Khudoba, O.; Zayats, D.; Mo, G. CHALLENGES IN THE PROFESSIONAL DEVELOPMENT OF PUBLIC SERVANTS AMID NEW REALITIES IN ADULT EDUCATION: CONCEPTUALIZATION OF COMPETENCE AND SYSTEM APPROACHES. SIE 2024, 2, 167-177. https://doi.org/10.17770/sie2024vol2.7815.