Puji Lestari, Wahyu, 		Wiratmini, Ngurah Intan, DAN 		Raka Dalem, A. A. Gde.
" Histological Structures of Gills of Tilaphia Fish (Oreochromis mossambicus L.) As  A Water Quality Indicator In The Nusa Dua Sewage Tretment Ponds, Bali" <em>SIMBIOSIS</em> [Online], Volume 6 Nomor 2 (28 September 2018)