M. Abbas, A., M. Aboshanab, K., F. Elkhatib, W., M. Aboulwafa, M. and A. Hassouna, N. 2017. Improvement of Bioconversion of Vitamin D3 into Calcitriol by Actinomyces hyovaginalis through Protoplast Fusion and Enzyme Immobilization. International Journal of Biotechnology for Wellness Industries. 6, 1 (Apr. 2017), 32–40. DOI:https://doi.org/10.6000/1927-3037.2017.06.01.4.