A. B. A. Ahmed and  Amar and  D. I. and  R. M. Taha,  Indirect Regeneration and Somatic Embryogenesis from Leaf and Stem Explants of Crassula ovata (Mill.) Druce – An Ornamental Medicinal Plant.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 96(12). 1310 - 1313
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9999784.