Thu, Tran, Thi Trang, Dao, AND Thi My Phuong, Pham. " Grass Vetiveria zizanioides (L.) Nash for Immobilization of Copper in the Orange-growing Soil Contaminated by the Overuse of Fungicides: A Casestudy at Cao Phong, Hoa Binh" VNU Journal of Science: Earth and Environmental Sciences [Online], Volume 39 Number 2 (21 April 2023)