de Almeida, Marcílio, and Cristina Vieira de Almeida. “Somatic Embryogenesis and in Vitro Plant Regeneration from Pejibaye Adult Plant Leaf Primordia”. Pesquisa Agropecuaria Brasileira, vol. 41, no. 9, Sept. 2006, pp. 1449-52, doi:10.1590/S1678-3921.pab2006.v41.7302.