ANCHALEE SUDDHIPRAKARN; IRB KHEORUENROMNE. A Study on some Alfisols and Ultisoles in Ustic Soil Moisture Regime, Northeast Thailand. Agriculture and Natural Resources, Bangkok, Thailand, v. 21, n. 2, p. 214–229, 1987. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/242600. Acesso em: 18 sep. 2026.