Abdulrahaman, A. A., T. Garuba, O. A. Adekoya, and F. A. Oladele. “Effects of Pseudomonas Syringae Infection on the Stomatal Anatomy and Leaf Morphology in Lycopersicon Esculentum”. The Bioscientist Journal, Vol. 1, no. 1, May 2013, pp. 14-21, https://bioscientistjournal.com/index.php/The_Bioscientist/article/view/15.