Arstamyan, Zh. M., and S. V. Mkrtchyan. “EXTRACTION-ABSORPTIOMETRIC DETERMINATION OF CADMIUM BY CRYSTAL VIOLET IN TOBACCO, MILK AND MILK PRODUCTS ”. Proceedings of the YSU B: Chemical and Biological Sciences, vol. 43, no. 1 (218), Feb. 2009, pp. 29-33, doi:10.46991/PYSU:B/2009.43.1.029.