LAMPHUTTHA, P. T. A Study of English Instruction Improvement of Teachers Toward Students of Mathayomsuksa 1-3 Students at Sutepnakornwich School in Roi Et Province. Journal of MCU Humanities Review, ิิิBankok, Thailand, v. 6, n. 1, p. 165–175, 2020. Disponível em: https://so03.tci-thaijo.org/index.php/human/article/view/236644. Acesso em: 29 mar. 2024.