T. V. Balayan, E. Y. Chapantsyan, R. A. Sarkisyan, G. M. Zeytaghyan, G. M. Zeytaghyan, and S. K. Grigoryan, “SOLUBILITY OF TUNGSTEN ACID DEPENDING ON THE SOLUTION Ph”, Proc. YSU B: Chem. Biol. Sci., vol. 42, no. 1 (215), pp. 80–84, Sep. 2023.