A Small Key Opens Big Doors: An Autobiography of an Industrialist Kim Hyang-SooEbookA Small Key Opens Big Doors: An Autobiography of an Industrialist Kim Hyang-SoobyKim Hyang-SooRating: 0 out of 5 stars0 ratingsSave A Small Key Opens Big Doors: An Autobiography of an Industrialist Kim Hyang-Soo for later