Mustafa Khlaif, H. (2020) “Induce resistance against bacterial speck disease of tomato Pseudomonas syringae pv. tomato by the chemical inducer β-aminobutyric acid”, Bulgarian Journal of Agricultural Science, 26(2), pp. 355–364. Available at: https://agriacad.eu/ojs/index.php/bjas/article/view/2689 (Accessed: 20 October 2026).