D. van Jaarsveld and E. Keyser, “The Moderating Role of Job Satisfaction on Workplace Absenteeism and Substance use amongst the Employees at a Power Utility in Mpumalanga”, JEBS, vol. 10, no. 2(J), pp. 219–230, May 2018, doi: 10.22610/jebs.v10i2(J).2231.