Harris et al. is a reference to the authors of the book 'Organizational Behavior: A Management Challenge, ' which was published in 2006. The book is an exploration of the various aspects of organizational behavior, including motivation, communication, decision-making, and leadership. The authors, Harris et al., are Stephen P. Robbins, Timothy A. Judge, and Mary Coulter. The acronym EDS stands for the authors' last names: Robbins, Judge, and Coulter.