KRYSTOPCHUK, T. Criteria of Effi ciency in the Scientifi c Researches on the Problem of Raising the Level of Pedagogical Workers’ Skills. Continuing Professional Education: Theory and Practice, [S. l.], n. 1, p. 89–94, 2019. Disponível em: http://npo.kubg.edu.ua/article/view/192561. Acesso em: 5 may. 2024.