Evaluation of olive stone for syngas production -integrated with CO2 capture by waste materials- and for amelioration of agricultural soil . International Journal of Sustainable Energy and Environmental Research, [S. l.], v. 15, n. 1, p. 1–14, 2026. DOI: 10.18488/13.v15i1.4873. Disponível em: https://archive.conscientiabeam.com/index.php/13/article/view/4873. Acesso em: 18 aug. 2026.