Aup-Ngoen, K., M. Noipitak, N. . Nammahachak, S. Ratanaphan, C. Poochai, and A. Tuantranont. “The Influence of Precursors on Optical Properties of Carbon Nanodots Synthesized via Hydrothermal Carbonization Technique”. Journal of Metals, Materials and Minerals, vol. 29, no. 3, Sept. 2019, https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/497.