S. Krishnakumar, V. Dooslin Mercy Bai, and R. Alexis Rajan, “EVALUATION OF PHOSPHATE SOLUBILIZING MICROORGANISMS (PSMs) FROM RHIZOSPHERE SOIL OF DIFFERENT CROP PLANTS AND ITS ANTAGONISTIC ACTIVITY”, J microb biotech food sci, vol. 3, no. 5, pp. 412–415, Apr. 2014.