Kampala A, Thirakultomorn T, Arngbunta A, Kaewhanam N, Amornpinyo P, Sirisriphet Y, et al. Development and Calibration of Empirical and Statistical Models for SPT-N Prediction in Fine Grained Soils. Civ Eng J [Internet]. 2026 Mar. 1 [cited 2026 Mar. 26];12(3):1170-89. Available from: https://civilejournal.org/index.php/cej/article/view/6650