“HOLLOW FIBER LIQUID MICROEXTRACTION FOR PRECONCENTRATION OF BENZOPHENONE: UDC 543. 544; 547.594” (2013) Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, 49(1), pp. 43–45. Available at: https://chemistry.bulletin.knu.ua/article/view/8456 (Accessed: 14 February 2026).