Tilepbergen Ryspekov. "STRUCTURAL FEATURES OF TYPICAL CHESTNUT SOIL OF STEPPE ZONE OF KAZAKHSTAN." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Water Resources. Forest, Marine and Ocean Ecosystems (2017): 531-538. https://doi.org/10.5593/sgem2017/32/s13.069