Heat of Combustion of Coffee Pulp and Husks as Alternative Sources of Renewable Energy. European Journal of Agriculture and Food Sciences, [S. l.], v. 3, n. 2, p. 1–4, 2021. DOI: 10.24018/ejfood.2021.3.2.241. Disponível em: https://www.ejfood.org/index.php/ejfood/article/view/241. Acesso em: 13 nov. 2025.