RIDLO, Ali, Retno HARTATI, and Agus SABDONO. 2025. “Optimization and Characterization of carrageenan/Alginate Ratio and Seaweed Waste to Develop Composite Bioplastics from Kappaphycus Alvarezii”. Journal of Metals, Materials and Minerals 35 (3). Bangkok, Thailand:e2236. https://doi.org/10.55713/jmmm.v35i3.2236.