N. . Rakita, Z. . Omerović, L. . Karić, S. . Čadro, M. Bezdrob, and S. Hamidović , Trans., “APPLICATION OF DIFFERENT UREA CONCENTRATIONS IN PROTECTION OF GREENHOUSES AND POLYTUNNELS FROM SNOW”, Radovi PPF, vol. 71, no. 2, pp. 73–83, Jun. 2026, doi: 10.67407/rppf.2021.2.73.