International Institute for Aerospace Survey and Earth Sciences  <br/><br/>
Management and cost of cartographic projects text of overhead slides 

 - Irrigation Department  Colombo 
 - 24p. 
<br/><br/><label>Nat. Bib. No.: </label>6891 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cartographic
<br/><br/><label>Universal Decimal Class. No.: </label>528.923  / ZUL