KOVALCHUK, T.; MELNICHUK, T. Cultural and educational leisure activities in nules of Ukraine. Journal of Education, Technology and Computer Science, [S. l.], n. 1, p. 234–238, 2013. DOI: 2080-9069. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/6838. Acesso em: 22 lip. 2024.