U.E. Puspita, R.T. Utomo, A.B.I. Perdamaian, I. Lesmana, H. Arijuddin, Y. Erwanto, B.S. Daryono and H.T.S.G. Saragih
Asian Journal of Animal and Veterinary Advances 12 ( 1 ): 31 - 37 , 2017