00000cab a22000003a 4500 UP-99796217612731111 Buklod 20231008001900.0 a grb 001 u| ta 180417s xx d | ||r ||||| || DENG eng An aviation primer looking back at the Philippines' 10 firsts. IN Deeper focus. July 9, 2017 p.16. Aeronautics Philippines History. Aviation. Manila Bulletin Ja-D, Mon-Sun (2017). Available via eNewsClips database of the UPD College of Engineering Library Website. Click here to access http://dspace.engglib2.upd.edu.ph/jspui FI. UPD DENG Article