Shelley Hasinoff
Beth Harry
Ted Plaister
Jack C. Richards
John Hattie
Monica Prendergast
Daniel Sedey
Sarah M. Marshall
Vian Ahmed
Susan Christine Petersen
John Van Maanen
Peter L. Schwartz
Renelle Brown
Laurence Lyons
Lorraine S. Taylor
Unknown Author
Case Study Institute
American Management Association
University of the State of New York. Bureau of Elementary Curriculum Development
Andrew F. Wall