Annual survey of industries - 2018 

 - Colombo  Department of census and statistics  2019 
 - xiv, 96 p. 
<br/><br/><label>ISBN: </label>9789557021577 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development
<br/><br/><label>Dewey Class. No.: </label>338  / DEP