Open Access

ARTICLE

Rock Mass Quality Rating Based on the Multi-Criteria Grey Metric Space

Miloš Gligorić^1,*, Zoran Gligorić¹, Saša Jovanović², Suzana Lutovac¹, Dragan Pamučar^3,4, Ivan Janković¹

1 Faculty of Mining and Geology, University of Belgrade, Belgrade, 11000, Serbia
2 Faculty of Technical Sciences, University of Priština, Kosovska Mitrovica, 38220, Serbia
3 Department of Operations Research and Statistics, Faculty of Organizational Sciences, University of Belgrade, Belgrade, 11000, Serbia
4 College of Engineering, Yuan Ze University, Taoyuan City, 320315, Taiwan

* Corresponding Author: Miloš Gligorić. Email: