ผู้เขียน: P. Danaher

William Cain, Michigan State University, USA Patrick Alan Danaher, University of Southern Queensland, Australia Nicholas Flegg, University of Southern Queensland, Australia Sri Wuli Fitriati, Universitas Negeri Semarang, Indonesia Jennifer Lock, University of Calgary, Canada Warren Midgley, University of Southern Queensland, Australia Angela Murphy, University of Southern Queensland, Australia Petrea Redmond, University of Southern Queensland, Australia Sandra Sawaya, Michigan State University, USA Laurence Tamatea, Charles Darwin University, Australia Henriette van Rensburg, University of Southern Queensland, Australia Norm Vaughan, Mount Royal University, Canada.