ISBN 9784882602637 books & textbook
Nin'i kōken keiyakusho no kaisetsu to jitsumu
Osamu Yamamoto; tadahiro Tominaga; Keisuke Shimizu
Tōkyō : Sankyōhōkishuppan, 2014. /2014-02-01 Tankobon Softcover
isbn-10: 4882602636 / isbn-13: 9784882602637