The Effect of Microcrystal Cellulose Filling from Coconut Fiber and Betel Leaf Extract as Antimicrobials on Sago Starch Bioplastic CompositeHalimatuddahliana Nasution, Meinissa Asdita, Avania Zoelva, Faiza Syabina Asraf, Dhaifuri Atqia Tamanni and Nadiatul Mufidah LubisE3S Web Conf., 519 (2024) 04003DOI: https://doi.org/10.1051/e3sconf/202451904003