ISBN 9784830946189 books & textbook
Kigyō no sekinin tōchi saisei : Kokusai hikaku no shiten
Toshio Kikuchi; Mitsuhiro Hirata; Isuke Kōtō
Tōkyō : Bunshindō, 2008. /2008-04-01 Tankobon Hardcover
isbn-10: 4830946180 / isbn-13: 9784830946189
