Carrageenan and bentonite as wet strength agents in the process of making nautical chart paperSaiful Huda, Widi Astuti, Harianingsih Harianingsih, Megawati Megawati and Prima Astuti HandayaniE3S Web Conf., 576 (2024) 06004DOI: https://doi.org/10.1051/e3sconf/202457606004