NGUYEN THANH, Tuan; HO QUANG, Duc; LE THAI, Bat; LE ANH, Tuan; NGUYEN QUYET, Chien; LAI QUANG, Trung; KIKUVI KYENZE, Stanslaus; TRAN THUY, Chi. Upgrading the Vietnam semi-quantitative soil classification system. <b>Vietnam Journal of Earth Sciences</b>, <i>[S. l.]</i>, v. 44, n. 4, p. 502–520, 2022. DOI: 10.15625/2615-9783/17245. Disponível em: http://vjes.vast.vn/jse/article/view/17245. Acesso em: 9 nov. 2025.