“COMPLEXATION OF Zr (IV) WITH SOLID-PHASE XYLENOL ORANGE AND THEIR ANALYTICAL APPLICATION: UDC 543.064:543.42:541.183”. 2008. Bulletin of Taras Shevchenko National University of Kyiv. Chemistry 45 (2): 29-30. https://chemistry.bulletin.knu.ua/en/article/view/8337.