Hien, Tran, and Tran Thang. “Effects of Nitrogen on Growth and Nitrate Accumulation in Mustard Green (Brassica Juncea L. ) in the Hydroponic System”. Science & Technology Development Journal: Natural Sciences 6, no. 3 (August 21, 2022): 2158-2166. Accessed December 21, 2024. http://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/1170.