Abd El-Rheem, Samia M., et al. “Impact of Adding Nano-Selenium on the Quality of Diluted Buck Semen Preserved by Cooling During Summer and Winter”. Journal of Advanced Veterinary Research, vol. 14, no. 2, Feb. 2024, pp. 257-60, https://advetresearch.com/index.php/AVR/article/view/1518.