TY - JOUR T1 - Integrated Physical–Chemical Approaches to Reduce Plasticity in Extremely High-Plastic Soils using Bamboo Leaf Ash: Geotechnical and Microstructural Evaluation AU - Era Agita Kabdiyono,Budi Susilo Soepandji,Wiwik Rahayu,Sri Wulandari JO - International Journal of Technology VL - 17 IS - 3 SP - 291 EP - 319 PY - 2026 DA - 2026/05/29 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v17i3.8293 UR - https://ijtech.eng.ui.ac.id/article/view/8293