P. Mehra, P. K. M., C. Khatri, Y. N. D., D. Kumar, and P. R C, “Influence of phosphate and potassium solubilizing bacteria on performance of crop, endophytic and rhizosphere microbial population in chamomile”, Indian J. Hortic., vol. 81, no. 03, pp. 294–300, Sep. 2024.