case of diarrhea laying hen and antimicrobial resistance;ករណីជំងឺរាកមាន់យកស៊ុត និងភាពធន់បាក់តេរីទល់នឹងអង់ទីប្យូទិច CHHIM CHHEN,ឈឹម ឈិន VEM CHH 2017 B624 Or.1 phnom penh RUA 2017 2017 Text viii;41p; https://drive.google.com/file/d/1QTZpJL3sugE4a3Rco186Rjza-jqhu9HD/view?usp=sharing