Trang, Nguyen Thuy, and Hoang Nam Nhat. “Strong Electron Correlation in Cu-Doped CaO Nanocolloid”. <i>Communications in Physics</i> 25, no. 4 (March 9, 2016): 359. Accessed January 1, 2026. https://vjs.ac.vn/cip/article/view/5036.