Isbn: 9787519127138 - 近视综合防控（小学低年级） (1 risultati)

paperback. Condizione: New. Paperback.Pub Date:2021-12-01 Pages:73 Language:Chinese Publisher:Educational Science Press This book covers a wide range of content and is widely applicable to lower grades of primary school students. their parents. teachers and other readers. This book has three main characteristics: First. the content is authoritative. This book covers the most comprehensive national implementation standards related to the comprehensive prevention and control of myopia. Second. it is easy to operate. Based.…