GUIRGUIS, L. A.; MAHMOUD, A. H.; ZAHRAN, M. A.; SHARAF, M. M. Oxidative Leaching Kinetics of Vanadium from Egyptian Boiler Ash under Acidic Oxidizing Conditions. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 14, n. 1, p. 495–505, 2014. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/1923. Acesso em: 4 nov. 2025.