Bardasevska, S.; Budzulyak, I.; Budzulyak, S. .; Rachiy, B. .; Ilnytskyi, R. .; Kulchytskyi, B. .; Starchuk, Y. . Method of Obtaining and Studying the Optical Properties of Carbon Quantum Dots. Phys. Chem. Sol. State 2019, 19, 226-229.