I. V. Resnytskyi, V. I. Bessarabov, O. V. Ishchenko, O. M. Roik, and T. O. Makarchuk, “Quantitative determination of fluoride by direct potentiometry in a heterogeneous cosmetic system in the form of toothpaste”, Current issues in pharmacy and medicine: science and practice, vol. 19, no. 2, pp. 151–156, Jun. 2026.