Putri, Ineke, Wahyu Widayati, and Victor Maruli Tua Tobing. “Pemerolehan Kosakata Anak Down Syndrome Berdasarkan Kelas Kata Bahasa Indonesia Di SLB C1 AKW Kumara 1 Surabaya: The Acquisition of Vocabulary in Down Syndrome Children Based on Word Classes in Indonesian Language at C1 AKW Kumara 1 Special School Surabaya”. Wacana : Jurnal Bahasa, Seni, dan Pengajaran 4, no. 1 (April 25, 2020): 22–28. Accessed December 22, 2024. https://ojs.unpkediri.ac.id/index.php/bind/article/view/14783.