Sitienei, K., E. Cheramgoi, M. Rop, D. Kamau, and R. Keter. “Evaluation of Shubhodoya Mycorrhizal Bio-Fertilizer for Enhancing Rooting of Nursery Tea Plants.”. International Journal of Tea Science, Vol. 13, no. 01 and 02, Dec. 2017, pp. 25-31, doi:10.20425/ijts.v13i01-02.9982.