for pilots and air traffic controllers Ellis, Sue. creator Gerighty, Terence. text nyu New York Oxford University Press 2017 3rd ed monographic eng

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95 p. : ill Sue Ellis, Terence Gerighty. CD-Rom (ศูนย์ลำปาง) English Language Conversation and phrase books English language Technical English Examinations, Questions, etc English language Technical English Problems, exercises, etc Airplanes Piloting Terminology English language Conversation and phrase books (for air pilots) PE1127.A4 E47 E5 2017 9780194579421 / SDU 160523