Recent Advances and Future Directions in Functionally Graded Materials: A Comprehensive Review. International Journal of Food and Nutritional Sciences, [S. l.], v. 8, n. 2, p. 382–399, 2019. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/765. Acesso em: 12 aug. 2026.