Nelson, PhD, MTRS, CTRS, MT-BC, FDRT, R., and L. L. Isaacs, MS, TRS, CTRS. “Usability of the HTC Vive Virtual Reality System in Recreational Therapy”. American Journal of Recreation Therapy, vol. 20, no. 4, Oct. 2021, pp. 25-34, doi:10.5055/ajrt.2021.0243.