QUOC LAP, Trinh; VU LUAN, Kieu; HOANG TAN, Luu; HUYNH HONG NGA, Ngo; CONG TUAN, Le. EFL STUDENTS’ CHALLENGES IN WRITING VSTEP ESSAYS. Journal of Science Educational Science, [S. l.], v. 70, n. 5, p. 34–41, 2025. DOI: 10.18173/2354-1075.2025-0087. Disponível em: https://hnuejs.edu.vn/es/article/view/834. Acesso em: 5 dec. 2025.