Retnaningrum, N. A. D., Suparma, L. B., & Tri Utomo, S. H. (2026). Application of Calcined Green Mussel Shell Powder to Increase Peat Soil Stability Against CBR Values as a Road Pavement Subgrade. INVOTEK: Jurnal Inovasi Vokasional Dan Teknologi, 26(1), 1–10. https://doi.org/10.24036/invotek.v26i1.1350