SOBCZYK, W.; BIEDRAWA, A.; KOWALSKA, A.; PAWUL, M. Education – ecology – eco-development, i.e. how to implement the sustainable development rules. Journal of Education, Technology and Computer Science, [S. l.], n. 1, p. 266–271, 2010. DOI: 2080-9069. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/7146. Acesso em: 22 jul. 2024.