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

 - Irrigation Department  Colombo 
 - xxiv, 47p.  chart 
<br/><br/> 2025-07-04 
<br/><br/><label>Nat. Bib. No.: </label>6889 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cartographic
<br/><br/><label>Universal Decimal Class. No.: </label>528.923  / ZUL