Zuokaitė, Eglė, and Davidas Ščupakas. “Utilization of Sewage Sludge from Acid Casein Production for Soil Fertilization”. Journal of Environmental Engineering and Landscape Management 15, no. 3 (September 30, 2007): 166-172. Accessed November 27, 2024. https://ijspm.vgtu.lt/index.php/JEELM/article/view/7631.