anggraini, Rika, 		Hairani, Rita, AND 		Panggabean, Aman.
" VALIDATION OF THE METHODS OF Hg DETERMINATION ON WASTE WATER TREATMENT PLANT SAMPLES USING COLD VAPOUR-ATOMIC ABSORPTION SPECTROPHOTOMETER (CV-AAS)TECHNIQUES" <em>JURNAL KIMIA MULAWARMAN</em> [Online], Volume 16 Number 1 (29 November 2018)