Khan, S., F. Subhan, K. S. Haleem, M. N. Khan Khattak, I. Khan, T. Sultan, and I. Tauseef. “Impact of Plant Growth-Promoting Rhizobacteria on Yield and Disease Control of Nicotiana Tabacum”. Archives of Biological Sciences, vol. 70, no. 4, Dec. 2018, pp. 717-25, https://serbiosoc.org.rs/arch/index.php/abs/article/view/2768.