Jarak, Mirjana, Nada Milošević, Vera Milić, Nastasija Mrkovački, Simonida Đurić, and Jelena Marinković. “MICROBIOLOGICAL ACTIVITIES – FERTILITY AND SOIL DEGRADATION INDICATORS”. Economic of Agriculture 52, no. 4 (June 15, 2019): 483–493. Accessed December 6, 2025. https://www.ea.bg.ac.rs/index.php/EA/article/view/1543.