Shafiq, Afeefa, Aisha Arshad, Zafar-Ul-Ahsan Qurashi, Zain Khalid, Noor Ul Huda, Muhammad Noman, Muhammad Ilyas, Hamad Bin Rashid, Asim Khalid Mehmood, Saima Hasan, Quratul Ain, Sobia Amir, Sheraz Shahid, Shakera Sadiq, and Mamoona Chaudhry. 2021. “Estimation of Percentage of Morbidity and Mortality Due to Avian Influenza (H9) at Commercial Poultry Layer Farms of Lahore”. The Thai Journal of Veterinary Medicine 51 (4):753-57. https://he01.tci-thaijo.org/index.php/tjvm/article/view/253303.