Gyulnazaryan, Sh. A. “AMPEROMETRIC TITRATION OF PERRHENATE-IONS BY METHYL VIOLET AND CRYSTAL VIOLET ORGANIC BASIC DYES”. Proceedings of the YSU B: Chemical and Biological Sciences 38, no. 1 (203) (December 28, 2003): 71–75. Accessed November 22, 2024. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol38_no1_2004_pp071-075.