“ Investigation of the Diffraction Ring Patterns of Chlorophyll Using Spatial Self-phase Modulation Technique”, مجلة العلوم الأساسية, vol. 38, no. 3, Sep. 2022, Accessed: Jun. 18, 2026. [Online]. Available: https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/6033