Kampala , A., Thirakultomorn , T., Arngbunta, A., Kaewhanam , N., Amornpinyo, P., Sirisriphet , Y., & Bubpi, A. (2026). Development and Calibration of Empirical and Statistical Models for SPT-N Prediction in Fine Grained Soils. Civil Engineering Journal, 12(3), 1170–1189. https://doi.org/10.28991/CEJ-2026-012-03-020