Low-Cost science and technology materials at Kindergarten level

Ижил төстэй зүйлс

• Low-cost science and technology materials at the senior middle school lower grades level (examples of National Institutions of Democratic People's of Korea, People's Republic of China and Brasilia)
  Хэвлэсэн: (1987)
• Cost Factors in Planning Educational Technology Systems
  -н: Jamison D.J
  Хэвлэсэн: (1977)
• Innovations in science and technology education
  Хэвлэсэн: (1992)
• Innovations in science and technology education
  Хэвлэсэн: (1994)
• Innovations in science and technology education
  Хэвлэсэн: (1990)