“PENAMBAHAN MINYAK IKAN DALAM PENGENCER SKIM MILK-EGG YOLK TERHADAP MOTILITAS DAN ABNORMALITAS AYAM KAMPUNG PASCA THAWING: Additional of fish oil in skim milk-egg yolk extender on the sperm motility and abnormalities post thawed of native chicken”, jiiip, vol. 21, no. 2, pp. 55-69, Apr. 2019.