Kusumaningsih, Diah, 		Alimuddin, Alimuddin, AND 		Akkas, Erwin.
" ANALYSIS RHODAMINE B OF TOMATO SAUCE IN SAMARINDA BY USING SPECHTROPHOTOMETER UV-VIS" <em>JURNAL KIMIA MULAWARMAN</em> [Online], Volume 17 Number 2 (29 May 2020)