Mažeikienė, Aušra, and Marina Valentukevičienė. “Removal of Ammonium Ions from Digested Sludge Fugate by Using Natural Zeolite”. Journal of Environmental Engineering and Landscape Management 24, no. 3 (August 19, 2016): 176-184. Accessed December 23, 2024. https://jau.vgtu.lt/index.php/JEELM/article/view/1745.