References
Voress, J. & Maddox, T. (1998). Developmental Assessment of Young Children,
Austin, Texas: PRO-ED. See website at www.proedinc.com or call 1.800.897.3202
Guam Early Intervention System. Department of Education, Special Education. See website at https://sites.google.com/a/gdoe.net/geis/home
Practical Tools for Vort Corporation. See website at www.vort.com