How does a combination of numerical modeling, clustering, artificial intelligence, and evolutionary algorithms perform to predict regional groundwater levels? - Zahra Kayhomayoon; Sami Ghordoyee-Milan; Abolfazl Jaafari; Naser Arya-Azar; Assefa M. Melesse; Hamid Kardan Moghaddam (Comput. Electron. Agric., 2022)