Predicting subgrade resistance value of hydrated lime-activated rice husk ash-treated expansive soil: a comparison between M5P, support vector machine, and gaussian process regression algorithms - Ahmad, Mahmood; Alsulami, Badr T.; Al-Mansob, Ramez; Legori Ibrahim, Saerahany; Keawsawasvong, Suraparb; Majdi, Ali; Ahmad, Feezan (MDPI, 2022)