Baggerly, J. (2004). The effects of child-centered group play therapy on self-concept, depression, and anxiety of children who are homeless. International Journal of Play Therapy, 13, 31- 51.
Su, S., & Tsai, M. (2016). Group play therapy with children of new immigrants in Taiwan who are exhibiting relationship difficulties. International Journal of Play Therapy, 25(2), 91- 101.