E. A. GOMES, U. D. C. SILVA, I. E. MARRIEL, C. A. D. OLIVEIRA, and U. G. D. P. LANA, “ROCK PHOSPHATE SOLUBILIZING MICROORGANISMS ISOLATED FROM MAIZE RHIZOSPHERE SOIL”, RBMS, vol. 13, no. 1, pp. 69–81, Jul. 2014.