SZCZECHOWICZ, Bartosz; KRYCZKA, Małgorzata; ALEJZIAK, Wiesław. Performance of Empirical Research as a Method for Achieving Professional Students’ Competence: a Case Study of Teaching Sales Skills to Future Employees of the Beauty Industry. Journal of Education, Health and Sport, [S. l.], v. 13, n. 4, p. 21–36, 2023. DOI: 10.12775/JEHS.2023.13.04.002. Disponível em: https://apcz.umk.pl/JEHS/article/view/41863. Acesso em: 28 jun. 2025.