Komala Ulfa, Hendra Saputra, Tazul Arifin, Cut Nila Thasmi, Hafizuddin, Etriwati, Abdullah Hamzah. Cervical opening during estrus in Aceh Local Cows based on camera-equipped artificial insemination endoscope . Ovz [Internet]. 2023 Mar. 30 [cited 2024 Aug. 13];12(1):12-7. Available from: https://e-journal.unair.ac.id/OVZ/article/view/42789