Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.Title―第 20 号に寄せて―.Authors会長 田中 伸英PublicationJapanese Journal of System Dynamics / Shisutemu Dainamikkusu, 2022, Vol 20, p1ISSN1347-0949Publication typeArticle