TY  - BOOK
ED  - Korea National Commission for UNESCO II.Corea. Minsitry of Foreign Affairs.
TI  - Low-cost science and technology materials at the primary school level: exampleof national institutions of Democratic People's Republic ofKorea, People's Republic of China and Brasilia
PY  - 1990///
CY  - Korea
PB  - Ministry of Foreing Affairs, National Commission for Unesco
ER  -