A. S. Sandu, E. Unguru, S. Ponea, și S. Cojocaru, „Analysis of Professional Competencies in Social Services Supervision”, srr, vol. 17, pp. 3–56, nov. 2010, Data accesării: nov. 12, 2026. Disponibil la: https://www.researchreports.ro/journal/article/view/25-social-research-reports-volume-17-november-2010