Vu, An, Quynh Le, Ngoc Nguyen, Long Pham, Christina Seilder, and Binh Phung. “Wastewater Quality of the Agricultural Region (vegetables - Flowers - Fruit Plants) at Phu Dien and Tay Tuu Wards (Hanoi)”. Science and Technology Development Journal 17, no. 4 (December 31, 2014): 13-21. Accessed April 19, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1534.