Adžić, Slađan, Suzana Pavlović, and Jasmina Zdravković. “Economic Justifcation for Vegetable Seed Concept of Sustainable Organic Production”. Ekonomika poljoprivrede 57, no. Spec.num.2 (December 3, 2010): 20–24. Accessed November 21, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/909.