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Putri I, Widayati W, Tobing VMT. 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. Jubasan [Internet]. 2020Apr.25 [cited 2024May19];4(1):22-8. Available from: https://ojs.unpkediri.ac.id/index.php/bind/article/view/14783