MONGKOLSAKULVONG, S. Extension of Mean Field Theory and General Form of Order Parameter. Agriculture and Natural Resources, Bangkok, Thailand, v. 41, n. 1, p. 192–197, 2007. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/244359. Acesso em: 27 aug. 2026.