Jardinan, Winnie R. Balagso <br/><br/>
Proposed measures to enhance the internal control system of the civil aviation authority of te Philippines Area Center I / 
Winnie R Balagso - Jardinan. 
 - Laoag City :  [s.n.],  2017. 
 - xviii, 143 pages :  illustration ;  28 centimeter. 
<br/><br/>Bibliography: pages 113-116. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics.
<br/><br/><label>Dewey Class. No.: </label>TH 629.13 J28p 2017