Rabbani, A., J. E. Grable, A. Woodyard, and Z. Yao. “Describing Investor Profiles: A Test of the Associations Among Financial Knowledge, Confidence, and Help and Information Sources”. Financial Services Review, vol. 27, no. 3, Sept. 2018, pp. 209-30, doi:10.61190/fsr.v27i3.3395.