วุฒิวงศา ณ. Motivational Strategies: Enhancing English Language Skills. Executive Journal, [S. l.], v. 34, n. 1, p. 89–97, 2014. Disponível em: https://so01.tci-thaijo.org/index.php/executivejournal/article/view/81096. Acesso em: 6 may. 2024.