SUDARMA, Andi Firdaus et al. Influence of inorganic content on hydrochar quality from high-ash agar extraction waste via hydrothermal carbonization. SINERGI, Jakarta, Indonesia, v. 30, n. 3, p. 731–746, 2026. DOI: 10.22441/sinergi.2026.3.005. Disponível em: https://publikasi.mercubuana.ac.id/index.php/sinergi/article/view/34580. Acesso em: 15 nov. 2026.