Martins, Maria Lúcia Almeida, Soraia Vilela Borges, Rosires Deliza, Fernanda Travassos de Castro, and Nilton de Brito Cavalcante. “Characteristics of Green and Ripe Umbu Marmalades and Acceptance by Consumers”. Pesquisa Agropecuaria Brasileira 42, no. 9 (September 1, 2007): 1329–1333. Accessed November 14, 2025. https://apct.sede.embrapa.br/pab/article/view/7701.