Silva, V. N. da (2007) “CHARACTERIZATION AND SELECTION OF NATIVE POPULATIONS OF SOIL RHIZOBIA OF THE SEMI-ARID REGION OF PERNAMBUCO, BRAZIL”, Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]. Goiânia, 37(1), pp. 16–21. Available at: https://revistas.ufg.br/pat/article/view/1841 (Accessed: 6 December 2025).