Standards designs of timber doors and windows for residential buildings 
/ National Buildings Organisation 
 - Mew Delhi:   National Buildings Organisation,  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building trade
<br/><br/><label>Subjects--Index Terms: </label>Windows 
<br/><br/><label>Universal Decimal Class. No.: </label>69.001.3