PRATIWI, Dzikria Sari; UDAIBAH, Wirda; KUSTOMO, Kustomo. Synthesis of Hydrochar Cassava peels with hydrothermal carbonization method and applications as hard water softener. Journal of Natural Sciences and Mathematics Research, [S. l.], v. 7, n. 1, p. 34–43, 2021. Disponível em: https://journal.walisongo.ac.id/index.php/JNSMR/article/view/11283. Acesso em: 7 jun. 2025.