Kokusai riyō kōkū unsō jigyō ni okeru riyōsha sābisu hōsaku no kaizen chōsa hōkokusho
Series: Un'yu keizai kenkyū shiryō
Publisher: Un'yu Keizai Kenkyū Sentā
Published: 1992
Place of publication: Tōkyō
Language: jpn
Subjects: Customer services; Commercial Aeronautics; Freight