@incollection{weko_44784_1, author = "Yoshino,Hisao", title = "Part3 Chapter 8:Technology Choice and Changes in the Trade Structure of the IT Industry", booktitle = "貿易指数と貿易構造の変化", publisher = "日本貿易振興機構アジア経済研究所/Institute of Developing Economies (IDE-JETRO) ", year = "2009", volume = "", number = "", pages = "249--251" }