T. Siregar and N. A. Kardiyanti, “The Effects of Coloring Therapeutic Play on Fine Motoric of Special Needs School-Aged Autism Children in Pelita Hati School Jakarta: Tatiana Siregar, Novita Ayuni Kardiyanti”, J. Persada Husada Indones., vol. 6, no. 20, pp. 49–58, Jan. 2019.