Rodrigues, Michele de Medeiros, Maria das Dores Melo, and Magdi Ahmed Ibrahim Aloufa. 2006. “In Vitro Propagation and Structural Analysis of Apple Tree”. Pesquisa Agropecuaria Brasileira 41 (1):171-73. https://doi.org/10.1590/S1678-3921.pab2006.v41.7126.