China., & China. Guo jia huan jing bao hu ju. Zheng ce fa gui si. (1997). Zhongguo huan jing bao hu fa gui quan shu (1982-1997) (Di 1 ban.). Beijing: Hua xue gong ye chu ban she.
சிகாகோ பாணியிலான மேறà¯à®•ோளà¯à®•ளà¯China., and China. Guo jia huan jing bao hu ju. Zheng ce fa gui si. Zhongguo Huan Jing Bao Hu Fa Gui Quan Shu (1982-1997). Di 1 ban. Beijing: Hua xue gong ye chu ban she, 1997.
எமà¯à®Žà®²à¯à®Ž மேறà¯à®•ோள௠காடà¯à®Ÿà®¿China., and China. Guo jia huan jing bao hu ju. Zheng ce fa gui si. Zhongguo Huan Jing Bao Hu Fa Gui Quan Shu (1982-1997). Di 1 ban. Beijing: Hua xue gong ye chu ban she, 1997.
எசà¯à®šà®°à®¿à®•à¯à®•ை: இநà¯à®¤ மேறà¯à®•ோளà¯à®•ள௠எபà¯à®ªà¯‹à®¤à¯à®®à¯ 100% தà¯à®²à¯à®²à®¿à®¯à®®à®¾à®• இரà¯à®•à¯à®•ாதà¯.