Vitenko, I. M., Oleksiuk , O. R., & Kucher, L. A. (2022). IMPLEMENTATION OF THE CONCEPT OF STEM EDUCATION IN THE SYSTEM OF QUALIFICATION DEVELOPMENT OF PEDAGOGICAL EMPLOYEES. Scientific Notes of Junior Academy of Sciences of Ukraine, (3(25), 39–47. https://doi.org/10.51707/2618-0529-2022-25-05