Mason  Sector : Construction,Construction Material and Real Estate-2nd semester-trade practical 

 - Chennai:  National Instructional Media Institute,  2014. 
 - 150p.;  29 cm 
<br/><br/><label>ISBN: </label>NIMI00062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>masonary<br/>Construction Materials
<br/><br/><label>Dewey Class. No.: </label>693.1  / MAS