Cost and effectiveness

著者

• Unesco. Secretariat
• International Council for Educational Media

書誌事項

Cost and effectiveness

（Educational methods and techniques, 1 . The economics of new educational media ; v. 2）

Unesco, 1980

• : pbk

注記

Prepared with the assistance of the International Council for Educational Media.

Includes bibliographies

• NII書誌ID(NCID): BA03957596
• LCCN: 77557780
• 出版国コード: fr
• タイトル言語コード: eng
• 本文言語コード: eng
• 出版地: Paris
• ページ数/冊数: 316 p.
• 大きさ: 24 cm
• 分類:
  • LCC : LB1028.3
  • DC19 : 371.3/07/8
• 件名:
  • LCSH : Educational technology -- Collected works
• 親書誌ID:
  • BA03957428