FOLTYNOWICZ, Z. M.; GOLINSKI, T. Pellet – a Key to Biomass Energy. International Journal of Economic Practices and Theories, [S. l.], v. 2, n. 4, p. 197-204, 2012. Disponível em: http://ijept.eu/index.php/ijept/article/view/Pellet_a_key_to_biomass_energy. Acesso em: 27 apr. 2025.