Influence of family environment on playing development of children in social vulnerability condition - Pontes, Tatiana Barcelos; Pfeifer, Luzia Iara; Mannini, Juliana; Fernandes, Katiuscia Pereira; Souza, Mariley Garcia Silva; Souza, Ester Soares de; Cota, Monique Ribeiro; Gregório, Mariley Alvarenga (International Congress of The World Federation of Occupational Therapists, 2010)