Columbia subject headings:
Harvard subject headings:
Autism--Andes Region.
Autistic people--Andes Region.
Interpersonal relations--Andes Region.
Reciprocity (Psychology)--Andes Region.
Princeton subject headings:
Autism--Andes Region.
Autistic people--Andes Region.
Interpersonal relations--Andes Region.
Reciprocity (Psychology)--Andes Region.