Two-stage palm kernel shell washing with water and acetic acid as preparation of co-firing system with coal. Rudarsko-geološko-naftni zbornik, [S. l.], v. 39, n. 1, p. 1–10, 2024. DOI: 10.17794/rgn.2024.1.1. Disponível em: https://ojs.srce.hr/index.php/rgn/article/view/28180. Acesso em: 19 aug. 2025.