THE EFFECT OF ADDING CEMENT, HUSK ASH, AND FIBER ON INCREASING THE SHEAR STRENGTH OF CLAY SOIL. FROPIL (Forum Profesional Teknik Sipil) [Internet]. 2022 Aug. 26 [cited 2026 May 4];10(1):18-24. Available from: https://journal.ubb.ac.id/index.php/fropil/article/view/2826