Kusumawati, E. D., B. H. Naga, and waluyo edi susanto. “ualitas permatozoa yam ampung ada uhu 50C engan ama impan ang erbeda”. urnal ains eternakan, vol. 7, no. 2, Dec. 2019, pp. 141-7, doi:10.21067/jsp.v7i2.4010.