Susilowati, S. “BIOAKTIVITAS INSULIN LIKE GROWTH FACTOR–I COMPLEX PLASMA SEMINALIS KAMBING TERHADAP KUALITAS SPERMATOZOA HASIL SENTRIFUGASI”. BERKALA PENELITIAN HAYATI JOURNAL OF BIOLOGICAL RESEARCHES, Vol. 12, no. 2, Feb. 2012, pp. 167-71, doi:10.23869/349.