Ardhani, Fikri, Julinda Manullang, dan Bryta Boangmanalu. 2019. “Abnormalitas Morfologi Spermatozoa Ayam Nunukan Asal Ejakulat”. Jurnal Pertanian Terpadu 7 (1), 122-30. https://doi.org/10.36084/jpt. v7i1.188.