“Morphysiological-Behavioral Evaluation of Several Tobacco (Nicotiana Tabacum L.) Varieties under the Influence of Drought Stress Induced With Polyethylene Glycol (PEG-6000)”. 2023. Latakia University Journal -Biological Sciences Series 45 (4): 149-61. https://journal.latakia-univ.edu.sy/index.php/bioscnc/article/view/15208.