Visually Do Statistics: Visual Materials of Covariance in Regressive Analysis. - Yukari Shirota; Yutaka Takahashi 004; Nobuhide Tanaka; Michiya Morita (VINCI, 2015)

Visually Do Statistics for Business Persons: Visual Materials from Regression to Black-Sholes Model. - Yukari Shirota; Yutaka Takahashi 004; Nobuhide Tanaka; Michiya Morita (VINCI, 2015)

Searching leverage points to increase sales of a vertically integrated black tea company. - Yutaka Takahashi 004; Nobuhide Tanaka (WSC, 2017)