PHATTANAPHONG TIRA. Methods of Teaching English as a Second Language Including Guidelines for Language Teaching. วารสาร มจร สังคมศาสตร์ปริทรรศน์, Ayutthaya, Thailand, v. 6, n. 2-02, p. 798–798, 2020. Disponível em: https://so03.tci-thaijo.org/index.php/jssr/article/view/242269. Acesso em: 16 ก.ย. 2026.