TY  - BOOK
AU  - Sapianchai, Nida
AU  - Aylward, G.H. (jt. auth.)
TI  - The institute for the promotion of teaching science and technology of Thailand
U1  - 507.375 
PY  - 1977///
CY  - Bangkok
PB  - Unesco
KW  - Curriculum study centres-Thailand
N1  - PB
ER  -