STUDY OF THE USING OF BAMBOO MAT ON THE IMPROVEMENT OF THE CALIFORNIA BEARING RATIO (CBR) CLAY SOIL. FROPIL (Forum Profesional Teknik Sipil) [Internet]. 2022 Aug. 26 [cited 2026 Jun. 19];9(2):95-103. Available from: https://www.journal.ubb.ac.id/index.php/fropil/article/view/2515