Utami, Istiqomah Indah, and Nur Ducha. “Addition of Avocado Peel Extract (Persea Americana) in CEP Diluent on Spermatozoa Quality of Simmental Bull at 4-5°C”. LenteraBio : Berkala Ilmiah Biologi 12, no. 3 (August 14, 2023): 412–422. Accessed June 9, 2025. https://journal.unesa.ac.id/index.php/lenterabio/article/view/26243.