Siregar, Tongku Nizwan, Agustina, Iin, Masyitah, Dian, Azhar, Al, Dasrul, Dasrul, Thasmi, Cut Nila, Sulaiman, Rusli, AND Daud, Razali. " Physical Properties of Cervical Mucus of Repeat Breeder Aceh Cattle (PERUBAHAN FISIK MUKUS SERVIKS PADA SAPI ACEH YANG MENGALAMI KAWIN BERULANG)" Jurnal Veteriner [Online], Volume 18 Number 3 (4 September 2017)