Ha, Thi Nha, Thi Thanh Le Dang, Manh Hung Chu, and Van Tong Pham. “Hydrothermal Synthesis of CuO Nanoplates For Gas Sensor”. Old Journal, no. 142A (June 15, 2020): 28–32. Accessed August 2, 2025. https://jst.vn/index.php/old/article/view/536.