CASE OF RESPORATORY DISEASE OF DUCK CAUSED BY PASTEURELLA IN KHSACH KANDAL DISTRICT,KANDAL PROVINCE,ករណី PASTEURELLA បង្កជំងឺរលាកផ្លូវដង្ហើមទានៅស្រុកខ្សាច់កណ្តាល ខេត្តកណ្តាល HENG SUNVY,ហេង ស៊ុនវី MNR HEN 2020 B1-422 Or. phnom penh rua 2020 2020 Text ix.37p. https://drive.google.com/file/d/13TCV3FQ4KnRRRMQ38F23Gi8EGKTgU53V/view?usp=sharing