Le, Oanh, Anh Pham, Truong Nguyen, Dung Hoang, Thang Phan, and Vinh Tran. “Impacts of Ga Doping on Structural and Thermoelectric Properties of ZnO Bulks Sintered by Solid-State Reaction”. VNUHCM Journal of Science and Technology Development 25, no. 2 (August 7, 2022): 2432-2438. Accessed June 5, 2023. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3928.