A. Mario Zuffo, F. Steiner, A. Busch, and T. Zoz, “Response of early soybean cultivars to nitrogen fertilization associated with Bradyrhizobium japonicum inoculation”, Pesq. Agropec. Trop., vol. 48, no. 4, pp. 436–446, Dec. 2018, doi: 10.5216/pat.v48i4.52637.