S. Djordjevic, A. Jovanović, V. Nikolić, i prof. dr T. Pekmezovic, „CROSS-SECTIONAL STUDY IDENTIFYING THE PREVALENCE OF SLEEP DISTURBANCES AND ASSOCIATED RISK FACTORS IN MEDICAL STUDENTS: Prevalence of sleep disturbances“, medi, vol 58, izd. 1, Feb. 2025, doi: 10.5937/medi58-54647.