習熟度別指導の導入や選択教科の拡充 習熟度別指導の導入や選択教科の拡充シュウジュクドベツ シドウ ノ ドウニュウ ヤ センタク キョウカ ノ カクジュウ

National Diet Library

The National Diet Library (NDL), founded in 1948, is the library which belongs to the Diet. The NDL assists the activities of the National Diet. The Library collects and conserves materials and information both from Japan and abroad, serving as a foundation of knowledge and culture and providing library services to administrative and judicial entities and Japanese citizens.