Vignjević Đorđević, N., S. Jevtić, and N. Jevtić. “THE EFFECTIVE PROCESSING MODEL OF THE BUSINESS PLAN FOR THE AGRICULTURAL PRODUCTS”. Ekonomika Poljoprivrede, vol. 60, no. 4, Dec. 2013, pp. 921-36, https://ea.bg.ac.rs/index.php/EA/article/view/430.