KOURAIM, Mohamed Nouh; FAWZY, Mohamed Mohamed; HELALY, Osama Saad. Leaching of Lanthanides from Phosphogypsum Waste using Nonyl Phenol Ethoxylate Associated with HNO3 and HCl. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 16, n. 2, p. 31–44, 2014. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/2065. Acesso em: 3 oct. 2025.