Astiti Asih, Ida Ayu, AND 		Sudiarta, I Wayan.
" ADSORPSI Cr(III) PADA SILIKA GEL TERMODIFIKASI DIFENILKARBAZON SECARA SOL-GEL" <em>CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry)</em> [Online], Volume 4 Number 1 (28 June 2016)