Leapfrogs action books a mathematics series for middle and secondary schools

书目详细资料
其他作者:	Hemmings, Ray
格式:	图书
语言:	English
出版:	England Hutchinson for Leapfrogs c1975-.
主题:	Mathematics > Study and teaching > Audiovisual aids. Mathematics > Study and teaching (Secondary. Geometry > Study and teaching (Secondary).