“Selective Separation of Uranium, Vanadium, and Rhenium from Sulfuric-Acid Oil-Shale-Ash Leachates by Integrated Ion Exchange and Solvent Extraction”. Eurasian Scientific Herald, vol. 56, June 2026, pp. 43-49, https://geniusjournals.org/index.php/esh/article/view/7668.