GEBRETSADIK , H. .; MEKBIB, F. .; ABRAHA, E. . Influence of Cytokinin and Auxin Types and Concentrations on In Vitro Shoot and Root Regeneration of Cactus Pear [(Opuntia ficus-indica (L.) Mill.]. Journal of Science and Sustainable Development, v. 1, n. 1, p. 85-96, 4 Jan. 2013.