Suwondo, Riza, Maya Devina Kurniawan, I Gede Mahardika Susila, and Andryan Suhendra. 2026. “Shear Strength Enhancement of Fine Sand Soil Using Guar Gum Biopolymer under Varying Curing Conditions”. SINERGI 30 (1). Jakarta, Indonesia:125-34. https://doi.org/10.22441/sinergi.2026.1.012.