Widyastuti Widyastuti (2025) “Sample Preparation Technique for Scanning Electron Microscopy in Analyzing Shrimp Shell Biodegradation by Actinomycetes through Solid-State Fermentation”, JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM, 4(2), pp. 105–116. doi: 10.55606/jurrimipa.v4i2.6342.