IM-EMKAMO, J.; KRUTKUM, T. Soil Aggregation of the Kamphaeng Saen Soil Series. Agriculture and Natural Resources, Bangkok, Thailand, v. 10, n. 1, p. 42–50, 1976. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/240729. Acesso em: 18 sep. 2026.