Živkov, Dejan, Olja Malešević, Žana Malešević, i Jovana Malšević. 2019. „HOW FTA AND NAFTA TREATIES AFFECT THE BUSINESS CYCLES SYNCHRONIZATION BETWEEN THE U.S. AND CANADA“. International Journal of Economic Practice and Policy, izd. 2 (April): 31-44. https://doi.org/10.5937/skolbiz2-20502.