WASET
Gholami, A. , Shahsavani, S. , Nezarat, S. (2009). 'The Effect of Plant Growth Promoting Rhizobacteria (PGPR) on Germination, Seedling Growth and Yield of Maize'. World Academy of Science, Engineering and Technology, Open Science Index 25, International Journal of Agricultural and Biosystems Engineering, 3(1), 9 - 14.