Mohammed, Asmaa N. “The Environmental Surveillance System of NCOVID-19 and Animal Coronaviruses (TGEV and MHV) for Mitigating the Further Spreading”. Journal of Advanced Veterinary Research 10, no. 4 (October 8, 2020): 263-267. Accessed April 30, 2025. https://www.advetresearch.com/index.php/AVR/article/view/518.