Mukherjee, T. et al. 2014. Estimation of Plant Growth Promoting Potential of Two Nickel Accumulating Morphotypes Isolated from River Hooghly on Indian Yellow Mustard (Brassica hirta). International Journal of Applied Sciences and Biotechnology. 2, 4 (Dec. 2014), 413–419. DOI:https://doi.org/10.3126/ijasbt.v2i4.11107.