Arabica Coffee Pulp Cellulose: Isolation, Morphology, and its Capabilities to be Modified into Cellulose NitrateRaden Reza Rizkiansyah, Y. Mardiyati, Arief Hariyanto and Tatacipta DirgantaraBIO Web Conf., 77 (2023) 01001DOI: https://doi.org/10.1051/bioconf/20237701001