Oktavianti, R. N., Z. Sudarto, and B. Budiyanto. “Pengembangan Sistem Isyarat Kunci Komunikasi Sosial Bagi Peserta Didik Multi Disabilities With Visual Impairment”. GRAB KIDS: Journal of Special Education Need, vol. 2, no. 2, Oct. 2023, pp. 86-99, doi:10.26740/gkjsen.v2i2.19080.