Majalah Ilmiah Universitas HKBP Nommensen Visi STT No. 1541/SK/Ditjen PPG/STT/1990 Volume 21 Nomor 1 Pebruari 2013 : The Acquisition Of Syntactic Structures By A 22-Month-old Child - Nenni Triana Sinaga (Universitas HKBP Nommensen, 2013)