Yoshiharu Okada books & textbook
Reikai to enshū nikyū kenchiku sekō kanri gishi shiken tekisuto : 2014
Yoshiharu Okada; Satoshi Satō;
Tōkyō : Jikkyōshuppan, 2014. /2014-02-28 Tankobon Hardcover
isbn-10: 4407333588 / isbn-13: 9784407333589
2kyu kenchiku seko kanri gishi shiken tekisuto : Reikai to enshu. 2012.
Yoshiharu Okada; Satoshi Satō;
Jikkyoshuppan. /2012-03-01 Tankobon Hardcover
isbn-10: 4407325771 / isbn-13: 9784407325775
Vuitīāru kaibōgaku
unknown /1994-09-20 Tankobon Hardcover
isbn-10: 4274022684 / isbn-13: 9784274022685
