Dutpen, Pimonvan  <br/><br/>
Absenteeism in thai secondary schools in the 11th educational region (With special reference to comprehensive/multi-purpose schools ) 
Dutpen, Pimonvan  
 - Pune  Savitribai Phule Pune University  1978 
<br/><br/><label>Subjects--Index Terms: </label>Education||Monarchy||Thai||Climate||Sukhothai||Nanchao||Khmer