Fridolina, E. P., S. M. Deliana, and Y. K. S. Pranoto. “The Training of Self-Help Eating Ability of the Autism Spectrum Disorder Student Using Social Reinforcement Intervention in Early Childhood”. Journal of Primary Education, Vol. 9, no. 1, Jan. 2020, pp. 85-91, doi:10.15294/jpe.v11i1.36055.