ปราณีธรรม ช. Development of Listening - Speaking Abilities and Assertive Behavior in Learning German for Communication 2 Using Role-play Activities. Trends of Humanities and Social Sciences Research, [S. l.], v. 7, n. 2, p. 88–105, 2019. Disponível em: https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/207811. Acesso em: 28 mar. 2024.