Veerasak Punyapornwithaya. 2014. Antibiotic resistance profile and virulence factor genes in Acranobacterium pyogenes isolated from endometritis dairy cows. Chiang Mai:Chiang Mai University;
Veerasak Punyapornwithaya. (2014) Antibiotic resistance profile and virulence factor genes in Acranobacterium pyogenes isolated from endometritis dairy cows (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.
Veerasak Punyapornwithaya. Antibiotic resistance profile and virulence factor genes in Acranobacterium pyogenes isolated from endometritis dairy cows. Chiang Mai:Chiang Mai University, 2014.
Veerasak Punyapornwithaya. (2014) Antibiotic resistance profile and virulence factor genes in Acranobacterium pyogenes isolated from endometritis dairy cows (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.