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		N. M. A. W., Dewi, 		Siti, N W., AND 		Sukmawati, N. M. S..
" The Effect of Giving Effective Microorganism-4 Probiotics Through Drinking Water on Internal Organs Of Male Bali Ducks" <em>Jurnal Peternakan Tropika</em> [Online], Volume 7 Number 2 (27 May 2019)