Sapianchai, Nida <br/><br/>
The institute for the promotion of teaching science and technology of Thailand 
Nida Sapianchai 
 - Bangkok:  Unesco,  1977. 
 -  68p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curriculum study centres-Thailand
<br/><br/><label>Dewey Class. No.: </label>507.375  / SAI