“EXTRACTION-ABSORPTIOMETRIC DETERMINATION OF CADMIUM BY CRYSTAL VIOLET IN TOBACCO, MILK AND MILK PRODUCTS ”, Proc. YSU B: Chem. Biol. Sci., vol. 43, no. 1 (218), pp. 29–33, Feb. 2009, doi: 10.46991/PYSUB.2009.43.1.029.