Taking fiction seriously: Young children understand the normative structure of joint pretend games.
https://www.psych.uni-goettingen.de/de/development/publications_department/articlereference-2017-03-10-0572429516
https://www.psych.uni-goettingen.de/@@site-logo/university-of-goettingen-logo.svg
and H Rakoczy
Taking fiction seriously: Young children understand the normative structure of joint pretend games.
Developmental Psychology