Jazuli Azra Mr, et al. “THE LEVEL OF IMPLEMENTATION OF CATTLE FARM BIOSECURITY SYSTEM RELATED TO PREVENTION OF FOOT AND MOUTH DISEASE IN GIANYAR REGENCY OF BALI”. Buletin Veteriner Udayana, vol. 16, no. 2, Apr. 2024, pp. 603-19, doi:10.24843/bulvet.2024.v16.i02.p30.