rezaei arefi, mohsen, zangeneh asadi, mohammad ali, behniyafar, aboalfazl, javanbakht, Mohammad (2020). Identification and classification of karst forms based on the models of Cvijic, Walthem, Komatina, and Herak  (case study: Kalat Mountain Basin, Northeast of Iran). *Geography*, 17(62), 0-0.