R. Stanisavljević, “VARIABILITY AND CORRELATIVE INTERDEPENDENCE OF RED CLOVER AND ITALIAN RYEGRASS SEED QUALITY DEPENDING ON VARIETIES DURING THE MULTI-YEAR STORAGE PERIOD”, J.Proc.En.Agr., vol. 25, no. 1, pp. 1–6, Apr. 2021, doi: 10.5937/jpea25-30969.