Parthasarthi.R2 *Nalini. S. “CHARACTERISATION AND OPTIMISATION OF BIOSURFACTANT PRODUCED BY PSEUDOMONAS FLUORESCENS FROM OIL CONTAMINATED SOIL”. Journal of Biomedical and Pharmaceutical Research, Vol. 2, no. 3, June 2013, http://www.jbpr.in/index.php/jbpr/article/view/401.