Annual survey of industries 2019 

 - Battaramulla:  Department of Census and Statistics,  2021. 
 - xiii, 97 p. 
<br/><br/><label>ISBN: </label>9786245919017 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industries - Statistics
<br/><br/><label>Dewey Class. No.: </label>338.761  / DEP