TY - BOOK AU - Cooper, Lee G. AU - 中西, 正雄 TI - Market-share analysis : evaluating competitive marketing effectiveness PB - Kluwer Academic Publishers PY - 1988 T2 - International series in quantitative marketing EP - xv, 279 p. UR - https://ci.nii.ac.jp/ncid/BA0685122X SN - 0898382785 ER -