Sousa, Lusiene B., Newton P. Stamford, Wagner S. Oliveira, Emmanuella V.N. Silva, Carolina E.R.S. Santos, and T.C.M. Stamford. “Optimization of Biofertilizers Enriched in N by Diazotrophic Bacteria”. European Journal of Sustainable Development 6, no. 3 (October 1, 2017): 448. Accessed March 29, 2024. https://www.ecsdev.org/ojs/index.php/ejsd/article/view/536.