Retnaningrum NAD, Suparma LB, Tri Utomo SH. Application of Calcined Green Mussel Shell Powder to Increase Peat Soil Stability Against CBR Values as a Road Pavement Subgrade. INVOTEK [Internet]. 2026Aug.15 [cited 2026Aug.18];26(1):1-10. Available from: http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/1350