REACTION PARAMETER OPTIMIZATION OF AMMONIUM SULFATE PRODUCTION FROM PHOSPHOGYPSUM: Original scientific paper. Chemical Industry & Chemical Engineering Quarterly, [S. l.], v. 31, n. 1, 2025. DOI: 10.2298/CICEQ231130013A. Disponível em: https://www.ache-pub.org.rs/index.php/CICEQ/article/view/1449. Acesso em: 9 mar. 2025.