Smilansky, SaraThe effects of sociodramatic play on disadvantaged preschool children[1968]
The effects of play materials on positive and negative social behaviors in preschool settings - Review of research concerning the influence of the physical environment. In L. G. Katz (Ed.). Current topics in early childhood education (Vol. 3), 91-125
Neel
Quay
WeaverThe effects of play materials on positive and negative social behaviors in preschool settings - Review of research concerning the influence of the physical environment. In L. G. Katz (Ed.). Current topics in early childhood education (Vol. 3)[1986]
The ecology of dramatic play centers and children’s social and cognitive play