1. Child-centered play therapy research: the evidence base for effective practice Hoboken, N.J. : John Wiley & Sons, c2010. MPT514 MPT515
2. Child-centered play therapy research = the evidence base for effective practice Hoboken, N.J. : John Wiley & Sons, ©2010. MPT514 MPT515 View full text here (via Wiley)
3. Emerging research in play therapy, child counseling, and consultation Steen, Rheta LeAnne, Hershey, PA : IGI Global, [2017] MPT505 MPT503
