AbbedutoL.MurphyM. M.CawthonS. W. (2003). Receptive language skills of adolescents and young adults with down or fragile X syndrome. American Journal of Mental Retardation, 108(3), 149–160.
2.
BishopD.V.M. (2003). The Test for Reception of Grammar-2 (TROG 2). Pearson.
3.
CaselliM.C.et al, (2008). Language in Italian children with Down syndrome and with specific language impairment. Neuropsychology, 22(1). 27–35.
4.
ChapmanR. S.HeskethL. J. (2001). Language, cognition, and short-term memory in individuals with Down syndrome. Down Syndrome Research and Practice, 7(1), 1–7.
5.
ChapmanR. S.HeskethL. J.KistlerD. J. (2002). Predicting longitudinal change in language production and comprehension in individuals with Down syndrome: Hierarchical linear modeling. Journal of Speech Language Hearing Research, 45(5), 902–915.
6.
ChapmanR. S.SchwartzS. E.BirdE. K. (1991). Language skills of children and adolescents with Down syndrome: I. Comprehension. Journal of Speech Language Hearing Research, 34(5), 1106–1120.
7.
EadieP. A.FeyM. E.DouglasJ. M.ParsonsC. L. (2002). Profiles of grammatical morphology and sentence imitation in children with specific language impairment and Down syndrome. Journal of Speech Language Hearing Research, 45(4), 720–732.
8.
HickR. F.BottingN.Conti-RamsdenG. (2005). Short-term memory and vocabulary development in children with Down syndrome and children with specific language impairment. Developmental Medicine & Child Neurology, 47(8), 532–538.
9.
JoffeV.VarlokostaS. (2009). Patterns of syntactic development in children with Williams syndrome and Down’s syndrome: Evidence from passives and wh-questions. Clinical Linguistics & Phonetics, 21(9), 705–727.
10.
LawsG.BishopD. V. (2003). A comparison of language abilities in adolescents with Down syndrome and children with specific language impairment. Journal of Speech, Language, and Hearing Research, 46(6), 1324–1339.
11.
LawsG.GunnD. (2004). Phonological memory as a predictor of language comprehension in Down syndrome: A five-year follow-up study. Journal of Child Psychology and Psychiatry, 45(2), 326–337.
12.
PickeringS. J.GathercoleS. E. (2001). Working Memory Test Battery for Children. The Psychological Corporation.
13.
RoidG.H.MillerL.J.PomplunM.KochC. (2013). Leiter International Performance Scale–Third Edition. Stoelting.
14.
RoizenN. J. (2007). Down syndrome. In BatshawM. L.PellegrinoL.RoizenN. J. (Eds.), Children with disabilities (pp. 263–273). Brookes.
15.
WitecyB.PenkeM. (2017). Language comprehension in children, adolescents, and adults with Down syndrome. Research in Developmental Disabilities, 62, 184–196.ss