20(15単元+5)

https://w3id.org/jp-textbook/AC100000001201/Time005

Details

Duration(transferred)
20(15単元+5)
Duration
20
Compiling Prospectus
中学校1,2,3年社会(歴史的分野)(自由社)2024年検定教科書編修趣意書
Mixed duration type
Combined
Duration type
Standard
Listing order
5
Type
http://schema.org/Duration