TY  - BOOK
AU  - Science and technology education.
ED  - Asia and the pacific programme of educational innovation for development.
TI  - Popularization of science and technology: Delivery systems for out of school science activities including regional science olympaid
U1  - 375 UNE 
PY  - 1991///
CY  - Thailand
PB  - UNESCO
KW  - Popularization of science and technology
ER  -