Kummer, A. C. B., C. F. Maggi, T. B. Veiga, and H. Grassi Filho. “Waste from Sewage Treatment Plants Used in Soybean Cultivation: Its Influence on Crop Development”. BRAZILIAN JOURNAL OF SCIENCE, TECHNOLOGY AND INNOVATION, vol. 8, no. 2, Dec. 2023, pp. 156-64, doi:10.18554/rbcti.v8i2.7037.