Optimizing characteristic of spirulina-polyvinyl alcohol (PVA) bioplastic through protein deformation with variation of heating time and solvent’s pHDianursanti, Misri Gozan, Larasati Windiani and Angelyn SabathiniE3S Web Conf., 67 (2018) 03045DOI: https://doi.org/10.1051/e3sconf/20186703045