Effect of Growth Regulator Combinations on Micropropagation of Madagascar Periwinkle (Catharanthus roseus L.). مجلة للعلوم الزراعية [Internet]. 2021 Jul. 10 [cited 2026 Aug. 19];35(1). Available from: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/332