Burris, J. ., Brechting, E. ., Salsman, J. ., & Carlson, C. . (1969). Factors associated with the psychological well-being and distress of university students. Journal of American College Health : J of ACH, 57(5), 536-43. https://doi.org/10.3200/JACH.57.5.536-544 (Original work published 1969)