Widiyawati, S., Nazarudin and Ulyarti (2024) “Study on Ratio of Jerbung Shrimp Waste Powder (Fenneropenaeus Merguiensis de Man) and Purple Yam Starch in the Production of Bioplastics: Yam starch bioplastics”, Jurnal Bio-Geo Material Dan Energi, 4(2), pp. 64-71. doi: 10.22437/jbigme.v4i2.36918.