Mihajlović, M., S. Krstić, S. Šegrt, D. Pavlović, D. Jovanović, and T. Simeunović. “ECONOMIC ANALYSIS OF THE INFLUENCE OF MILK MARKET CONCENTRATION ON PROCUREMENT EFFICIENCY IN THE DEFENSE SYSTEM”. Economics of Agriculture, vol. 63, no. 3, Aug. 2016, pp. 973-85, doi:10.5937/ekoPolj1603973M.