Ongkowidjojo YAC, Praktikto H. Effects of Positive Strengthening on the Crying, Anger, and Jumping Behavior of Autistic Children in Surabaya Private Schools. icecrs [Internet]. 2020Jun.19 [cited 2024Jul.22];80. Available from: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/439