Nguyen Thanh, Tuan, Duc Ho Quang, Bat Le Thai, Tuan Le Anh, Chien Nguyen Quyet, Trung Lai Quang, Stanslaus Kikuvi Kyenze, and Chi Tran Thuy. “Upgrading the Vietnam Semi-Quantitative Soil Classification System”. Vietnam Journal of Earth Sciences 44, no. 4 (June 28, 2022): 502–520. Accessed April 26, 2024. https://vjs.ac.vn/index.php/jse/article/view/17245.