TY  - BOOK
AU  - Jardinan, Winnie R. Balagso
TI  - Proposed measures to enhance the internal control system of the civil aviation authority of te Philippines Area Center I
U1  - TH 629.13 J28p 2017 
PY  - 2017///
CY  - Laoag City
PB  - [s.n.]
KW  - Aeronautics
N1  - Bibliography: pages 113-116
ER  -