【作者(必填)】A. B. Mayne
【文题(必填)】Essentials of School Geometry
【年份(必填)】

【全文链接或数据库名称(选填)】https://www.ebay.co.uk/itm/126768408046

https://picclick.com/Essentials-of-School-Geometry-Part-I-II-325854177418.html