Darajat, S.Z. et al. 2024. Kualitas semen sapi Friesian Holstein jantan muda (studi kasus pada satu ekor sapi perah jantan muda). Conference of Applied Animal Science Proceeding Series. 5, (Dec. 2024), 130–138. DOI:https://doi.org/10.25047/animpro.2024.750.