T .Khashan, Kareem, and Mohammed A.H.Al-Athary. 2016. “Vinblastine and Vincristine Alkaloids Production From Callus of Catharanthus Roseus (L.) G. Don under Some Abiotic Factors”. Al-Kufa University Journal for Biology 8 (2). Kufa, Najaf, IRAQ:9-24. https://doi.org/10.36320/ajb/v8.i2.9274.