Lê Hồng Minh, Vũ Ngọc Toán, Đoàn Công Danh, Nguyễn Thị Thu Hương, Lê Thùy Trang, and Hoàng Văn Lương, “Synthesis adsorbent materials from coffee husk and determine the efficient removal Chromium(VI) in water”, JMST, no. FEE, pp. 249–254, Dec. 2024.