Viet Thinh, Nguyen, Le Viet Hai, Bui Nhat Nguyen, Dang Kim Thoa, and Nguyen Phuong Thoa. 2008. “LECTROREDUCTION OF NITRATE IONS ON COPPER AND COPPER MODIFIED BY POLYPYROLE ELECTRODES”. VNUHCM Journal of Science and Technology Development 11 (1), 68-73. https://doi.org/https://doi.org/10.32508/stdj.v11i1.2599.