Biodegradable films with the addition of nanofibers: a review focusing on raw materials and analysis - Almeida, Vanessa Soltes de; Ito, Vivian Cristina; Barretti, Bárbara Ruivo Válio; Demiate, Ivo Mottin; Pinheiro, Luís Antonio; Lacerda, Luiz Gustavo (Brazilian Archives of Biology and Technology, 2022)