１．ＴＯＣとは（制約条件理論：Theory of Constraints)2021/7/15 16:15:00 https://web.archive.org/web/20050305193326/http://takumi.web.infoseek.co.jp/TOC/TOC.htm
『１．ＴＯＣとは（制約条件理論：Theory of Constraints)』2024/8/12 14:28:00 https://web.archive.org/web/20050305193326/http://takumi.web.infoseek.co.jp/TOC/TOC.htm
