Dobrowolska, M., and B. Izydorczyk. “Workaholism and Its Symptoms in Individuals Manifesting Mental Disorders: A Clinical Analysis Based on a Case Study”. European Journal of Interdisciplinary Studies, vol. 3, no. 4, Oct. 2017, pp. 73-80, doi:10.26417/ejis.v9i1.p73-80.