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ISBN 10: 7531569264ISBN 13: 9787531569268
Da: liu xing, Nanjing JiangSu, JS, Cina
Libro
paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2017-01-01 Pages: 288 Publisher: liaoning children press This book is not pure science books. but from the perspective of popular science let the child know our living environment. understand the precious resources. to establish the concept of environmental protection.Believe that read the books. the children can truly understand why do we need to protect the environment. environmental protection is no longer a slogan and.