Ratnawati, R. et al. 2023. Addition of Anadara Granosa Shell Chitosan in Production Bioplastics. Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management). 13, 2 (Jun. 2023), 175–185. DOI:https://doi.org/10.29244/jpsl.13.2.175-185.