Prediction of compressive and tensile strength of limestone via genetic programming. - Adil Baykasoglu; Hamza Güllü; Hanifi Çanakçi; Lale Özbakir (Expert Syst. Appl., 2008)

Prediction of compressive and tensile strength of Gaziantep basalts via neural networks and gene expression programming. - Hanifi Çanakçi; Adil Baykasoglu; Hamza Güllü (Neural Comput. Appl., 2009)

Function finding via genetic expression programming for strength and elastic properties of clay treated with bottom ash. - Hamza Güllü (Eng. Appl. Artif. Intell., 2014)

A novel approach to prediction of rheological characteristics of jet grout cement mixtures via genetic expression programming. - Hamza Güllü (Neural Comput. Appl., 2017)