Kumekov, S. E., and N. K. Saitova. “Relaxation of the Energy of Optically Excited States in the Carbon Quantum Dots”. Eurasian Chemico-Technological Journal 20, no. 3 (September 7, 2018): 209–212. Accessed April 18, 2024. https://ect-journal.kz/index.php/ectj/article/view/723.