PIHLER, I.; ĆIRIĆ, J.; KUČEVIĆ, D.; DRAGIN, S.; AL-HASANT, M.; ŠARAN, M.; ZARUBICA, B.; TSAKMAKIDIS, I. The Phenotype Variability, of the Racka Sheep in the Republic of Serbia. J Hellenic Vet Med Soc 2020, 70, 1789-1796.