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            1
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            2Systems approach to the design of commercial aircraftיצא לאור 2020Available for University of the Philippines Diliman via Taylor & Francis. Click here to access
 Also available remotely for University of the Philippines Diliman via Taylor & Francis. Click here to access thru EZproxy
 Electronic Resource
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            3To service smaller islands PAL expects to take delivery of 5 small planes this yrהוצא לאור ב Manila Times (2017)Article
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            4
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            5
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            6


