Pontes, A. P., R. de Souza, and C. E. Granada. “Screening of Plant Growth Promoting Bacteria Associated With Barley Plants (Hordeum Vulgare L.) Cultivated in South Brazil”. Biota Neotropica, vol. 15, no. 2, June 2015, //www.biotaneotropica.org.br/BN/article/view/1298.