There are many schools in the Earth Science Postgraduate Entrance Examination Center that don't take humanities mathematics, including Sun Yat-sen University, Huazhong Normal University, Southwest University, Wuda University, South China Normal University, Fujian Normal University, Northwest University, Anhui Normal University, Shanghai Normal University, Zhejiang University, Huaqiao University, Hunan Normal University and Zhejiang Normal University. Among them, South China Normal University takes GIS and remote sensing, Fujian Normal University does not accept cross-examination and Wuhan University takes remote sensing as another examination subject. There are five reference books in Shanghai Normal University, one is GIS.