1 “... use. Authored by its legendary creator, Wharton Professor Emeritus Russell Ackoff, and leading...”

2 “.... Dr. Roland Gabriel: Professor Emeritus of Business Informatics, Ruhr University Bochum. Prof. Dr...”

3 “.... Larry D. Browning is Professor Emeritus at the Moody College of Communication, University of Texas...”

4 “... course—all in one collection.”  Douglas N. Jones, Professor (emeritus) of Regulatory Economics, The John...”