ผู้เขียน: Bonnie S. Billingsley

BONNIE S. BILLINGSLEY, Ed.D., is a professor in Teaching and Learning at Virginia Tech. MARY T. BROWNELL, Ph.D., is a professor of Special Education and director of the CEEDAR Center at the University of Florida. MAYA ISRAEL, Ph.D., is assistant professor of Special Education at the University of Illinois, Urbana-Champaign. MARGARET L. KAMMAN, Ph.D., is assistant scholar and project coordinator for the CEEDAR Center at the University of Florida.