SITTIWONGSA, K.; NOPPARAT RATTAWONG. Development Of English Learning Achievement Using Flashcards of Grade 6 Students at Ban Pa Hung School. Journal of Lanna Societies, [S. l.], v. 2, n. 3, p. 14–20, 2024. Disponível em: https://so13.tci-thaijo.org/index.php/jls/article/view/795. Acesso em: 16 sep. 2026.