Soares, Márcia Christina, Érika Taciana Ribeiro, Eugênia Marta Kuskoski, Luciano Valdemiro Gonzaga, Alessandro Lima, Jorge Mancini Filho, and Roseane Fett. 2008. “Composition of Phenolic Acids Content in Apple (Malus Sp) Pomace”. Semina: Ciências Agrárias 29 (2):339-48. https://doi.org/10.5433/1679-0359.2008v29n2p339.