Tran, Van Quang. “Valance Band Maximum and Thermoelectric Properties of Bi\(_2\)O\(_2\)Se: First-Principles Calculations”. Communications in Physics 30, no. 3 (July 22, 2020): 267. Accessed April 26, 2024. https://vjs.ac.vn/index.php/cip/article/view/14958.