Domingo, E. K. F. and Florencondia, N. T. (2025) “Geotechnical Evaluation of Sawdust-Derived Biochar as a Sustainable Stabilizer for Clayey Soils in Nueva Ecija”, International Journal of Progressive Research in Science and Engineering , 6(11), pp. 6–13. doi: 10.65138/ijprse.2025.v6i11.1237.