VORONIN, L. H.; STEPANIUK, A. R.; KOPYLENKO, A. V.; TYSHKO, Y. A. PROPERTIES AND FORMATION OF HUMIC SUBSTANCES. Visnyk of Vinnytsia Politechnical Institute, [S. l.], n. 3, p. 61–66, 2015. Disponível em: https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/791. Acesso em: 16 jul. 2024.