Lewinski, A., Mann, T., Flores, D., Vance, A., Bettger, J., & Hirschey, R. (1969). Partnership for development: A peer mentorship model for PhD students. Journal of Professional Nursing : Official Journal of the American Association of Colleges of Nursing, 33(5), 363-369. https://doi.org/10.1016/j.profnurs.2017.03.004 (Original work published 1969)