Irfan Ramdana, Dede, et al. “Pengaruh Terapi Bermain Puzzle Terhadap Kemampuan Motorik Halus Pada Anak Down Syndrom Di SKH Negeri 1 Kabupaten Tangerang Tahun 2023”. Innovative: Journal Of Social Science Research, vol. 3, no. 6, Dec. 2023, pp. 7662-71, http://j-innovative.org/index.php/Innovative/article/view/7139.