Shrivastava, U. P. “Molecular Diversity Assessment of Plant Growth Promoting Rhizobacteria Using Denaturing Gradient Gel Electrophoresis (DGGE) of 16s RRNA Gene”. International Journal of Applied Sciences and Biotechnology, vol. 5, no. 1, Mar. 2017, pp. 72-80, doi:10.3126/ijasbt.v5i1.17029.