Darmawan, Y., Swacita, I., & Suardana, I. (2015). Perbandingan Bakteri Coliform, E. coli, E. coli O157, dan E. coli O157:H7 pada Sapi bali di Mengwi, Badung, Bali. Indonesia Medicus Veterinus, . Retrieved from http://103.29.196.112/index.php/imv/article/view/17536