Fernanda, Decky, 		Rupiasih, Ni, 		Wendri, Nyoman, AND 		Eri Sandriani, Ni Wayan.
" Chitosan as A Silver (Ag) Adsorbent on Hospital Photography Fixer Waste" <em>BULETIN FISIKA</em> [Online], Volume 20 Number 1 (10 February 2019)