AKINOKUN, O. (2020). Effects of age of cow at first calving, period of calving and calving sequence on calving interval of N'dama and Keteku Cattle and their crosses in Southwestern Nigeria. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)AKINOKUN, O. Effects of Age of Cow at First Calving, Period of Calving and Calving Sequence on Calving Interval of N'dama and Keteku Cattle and Their Crosses in Southwestern Nigeria. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)AKINOKUN, O. Effects of Age of Cow at First Calving, Period of Calving and Calving Sequence on Calving Interval of N'dama and Keteku Cattle and Their Crosses in Southwestern Nigeria. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.