Atal Yousufi. "DISTRIBUTION OF ULTRAMAFIC COMPLEXES IN AFGHANISTAN." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining (2019): 163-170. https://doi.org/10.5593/sgem2019/1.1/s01.020