Van Dat, Doan, Hoai Thuong, Nguyen, Thi Kieu Ngan, Tran, Thi Thanh Nhi, Le, My Uyen, Dao, Thi Huong, Tran, Hong Hanh, Cong, AND Van Thuan, Le. " Study on Adsorption of Nickel and Methylene Blue in Aqueous Solution by Magnetic Carboxylate-Rich Carbon" VNU Journal of Science: Earth and Environmental Sciences [Online], Volume 37 Number 2 (26 June 2021)