Fishman, Charles. The wal-mart effect ;How the world's most powerful company really works-and how it's transforming the American economy. - New York Penguin Press 2006 - 294P. Subjects--Topical Terms: 1.Wal-mat (firm). 2.Discount houses (retail trade)--United States--management LC Class. No.: HF 5429.215 .F56 2006