Utama IBE, Anderson D, Simanjuntak L. Optimalisasi Tumbuh Kembang Anak Penderita Sindrom Down. MK-UKI [Internet]. 2021Mar.24 [cited 2024Nov.23];25(1):15-. Available from: http://ejournal.uki.ac.id/index.php/mk/article/view/2750