Zhong guo shui shou zheng ce bao gao(2013) Zhong guo shui wen ti bao gao. Zhong guo shui sheng sheng wu zi ran bao hu qu / Zhong guo tu di zheng ce yan jiu bao gao /. 2013. Zhong guo ji shu zheng ce/: Huan jing bao hu. Zhong guo shui shou zhi du/