KANTASEWI, N. An Experiment in the Effectiveness of “Crash Program” in English at Kasetsart University. Agriculture and Natural Resources, Bangkok, Thailand, v. 6, n. 1, p. 40–45, 1966. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/240626. Acesso em: 18 sep. 2026.