Huan jing ke xue Shui wu ran he huan jing wu ran 环境科学/水污染和环境污染 Shui wu ran he huan jing wu ran 水污染和环境污染
Notes:
"Zui qin qie de ke xue yuan li qi meng tu hua shu he ji" "最亲切的科学原理启蒙图画书合辑" "Hanguo Wen hua guan guang bu jiao yu jing ying da jiang"--title page "韩国文化观光部教育经营大奖"--title page Text in Chinese
