Sekulić, Petar, Igor Kurjački, Jovica Vasin, and Srđan Šeremešić. 2007. “SOIL FERTILITY OF AGRICULTURE LAND ON PRIVATE-OWNED SECTOR IN VOJVODINA”. Ekonomika Poljoprivrede 54 (1):73-84. https://ea.bg.ac.rs/index.php/EA/article/view/1303.