1. Abbasi, M. K., Sharif, S., Kazmi, M., Sultan, T., & Aslam, M. (2011). Isolation of plant growth promoting rhizobacteria from wheat rhizosphere and their effect on improving growth, yield and nutrient uptake of plants. Plant Biosystems, 145, 159–168.
2. Abdullah, A. T., Hanafy, M. S., EL-Ghawwas, E. O., & Ali, Z. H. (2012). Effect of compost and some biofertilizers on growth, yield, essential oil, productivity and chemical composition of Rosmarinus officinalis, L. plants. Journal of Horticultural Science & Ornamental Plants, 4(2), 201–214.
3. Abou-Shanab, R. A., Ghanem, K., Ghanem, N., & Al-Kolaibe, A. (2008). The role of bacteria on heavy-metal extraction and uptake by plants growing on multi-metal-contaminated soils. World Journal of Microbiology and Biotechnology, 24, 253–262.
4. Ahmad, F., Ahmad, I., & Khan, M. S. (2006). Screening of free living rhizospheric bacteria for their multiple plant growth promoting activities. Microbiological Research, 36, 1–9.
5. Ahmad, M., Nadeem, S. M., Naveed, M., & Zahir, Z. A. (2016). Potassium-solubilizing bacteria and their application in agriculture. In V. S. Meena, B. R. Maurya, J. P. Verma, & R. S. Meena (Eds.), Potassium solubilizing microorganisms for sustainable agriculture (pp. 293–313). New Delhi: Springer.