Plumber : sector  construction, material & real estate- trade practical- 2nd semester 

 - India:  National Instructional Media Institute,  2017. 
 - 131p.;  29 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plumber<br/>Construction Materials
<br/><br/><label>Dewey Class. No.: </label>696.1  / PLU