Šljivo, A., A. Ćetković, and A. Kulo Ćesić. “Impact of COVID-19 Pandemic on Patterns of Cigarette, Hookah and Marijuana Consumption Among Undergraduate Students of University of Sarajevo Bosnia and Herzegovina: A Repeated Cross-Sectional Study”. Annali di Igiene Medicina Preventiva e di Comunità 35, no. 2 (August 4, 2025): 188–201. Accessed January 30, 2026. https://www.mattioli1885journals.com/index.php/annali-igiene/article/view/17589.