Mirčevski, M., M. Mihajlović, M. Milunović, I. Milojević, R. Damnjanović, R. Žugić, M. Miljković, and S. Stanojević. “ANALYSIS OF OPTIMAL COSTS FOR RESERVES OF SPARE PARTS FOR AGRICULTURAL MACHINES”. Economics of Agriculture, vol. 65, no. 1, Jan. 2018, pp. 81-92, doi:10.5937/ekoPolj1801081M.