ABRAR, B.; HALALI, M.; POURFATHI, A. Recovery of Nickel from Reformer Catalysts of Direct Reduction, Using the Pressurized Dissolving Method in Nitric Acid. Engineering, Technology & Applied Science Research, Greece, v. 6, n. 5, p. 1158–1161, 2016. DOI: 10.48084/etasr.731. Disponível em: https://etasr.com/index.php/ETASR/article/view/731. Acesso em: 29 mar. 2024.