PROSHKIN, V. Pedagogical system as a subject of scientific research. Continuing Professional Education: Theory and Practice, [S. l.], n. 4, p. 7–12, 2023. DOI: 10.28925/1609-8595.2015.4.712 . Disponível em: http://npo.kubg.edu.ua/article/view/183491. Acesso em: 4 may. 2024.