1.

電子ブック
ＥＢ
1. The PDMA handbook of new product development. Third edition
Kenneth B. Kahn, editor ; associate editors, Sally Evans Kay, Rebecca J. Slotegraaf, Steve Uban
出版情報: 2013.  1 online resource (xii, 492 pages) 
オンライン: https://doi.org/10.1002/9781118466421
2.

図書
図書
2. The economics of product differentiation (: set ; v. 1 ; v. 2)
edited by Jacques-François Thisse and George Norman
出版情報: Aldershot, Hants, England ; Brookfield, Vt. : E. Elgar, 1994
シリーズ名: The international library of critical writings in economics / series editor, Mark Blaug ; 37
An Elgar reference collection
所蔵情報: 図書館