日本減肥市場大揭秘 = Top secret in Japanese diet marketing / 楊惠芳作
日本健康產業大預言 = The big prediction of the Japanese healthy industry / 楊惠芳作
日本健康產業大躍進 = The great leap forward in Japan's health industry / 楊惠芳作 ; 加藤清美監修
日本抗老市場大未來 = Wonderful furture in Japan anti-aging marketing / 楊惠芳作
日本預防美容大商機 = A big business opportunity in Japanese preventive beauty / 楊惠芳作
