[1]
AMAN SENTOSA PANGGABEAN and BOHARI YUSUF 2015. DETERMINATION OF Cr(VI) BY USING CHITOSAN-1,5- DIPHENYL CARBAZIDE RESIN MODIFIED AT THE PRECONCENTRATION SYSTEM WITH COLUMN METHOD. International Journal of Pharma and Bio Sciences. 6, 3 (Sep. 2015), 101–111.