1. The Oxford handbook of the development of play;Pellegrini,2011
2. Intentionality and the role of play in the transition to language;Lifter,1998
3. From exploration to play: a cross-sectional study of infant free play behavior;Belsky;Dev Psychol,1981
4. Pretend play;Weisberg;Wiley Interdiscip Rev Cogn Sci,2015
5. Symbolic play, phonological awareness, and literacy skills at three age levels;Bergen,2000