THI BICH, Nguyen. DESIGNING AND IMPLEMENTING FLASHCARDS FOR TEACHING HISTORY TOPICS IN UPPER SECONDARY EDUCATION. HNUE Journal of Science: Journal of Educational Science, [S. l.], v. 70, n. 2, p. 23–32, 2025. DOI: 10.18173/2354-1075.2025-0033. Disponível em: https://hnuejs.edu.vn/es/article/view/732. Acesso em: 1 aug. 2026.