Raw cellulosic fibers: characterization and classifcation by FTIR‑ATR spectroscopy and multivariate analysis (PCA and LDA) - Santos, Elvis da Cruz; Silva, Ana Amélia Benedito; Faria, Regis Rossi Alves; Rizzutto, Márcia de Almeida; Rodrigues, Pedro Henrique Sebe; Ramos, Julia Baruque (Materials Circular Economy, 2024)