Mengqi Zhao. URBAN AGRICULTURAL SPATIAL DIFFERENTIATION RESEARCH. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Informatics, Geoinformatics and Remote Sensing, 2019, pp. 1051-1062. https://doi.org/10.5593/sgem2019/2.2/s11.130