SZTUMSKI, Wiesław. Letter to the Editorial Office: How to Shape Conciseness for Ecology and Sustainable Development?. Problemy Ekorozwoju, [S. l.], v. 6, n. 1, p. 162–166, 2011. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4813. Acesso em: 22 dec. 2024.