HANH, Ly Thi My; HIEN, Le Thi Thu. NINTH-GRADE STUDENTS’ PERCEPTIONS OF ENGLISH-SPEAKING DIFFICULTIES: A DESCRIPTIVE STUDY AT A SECONDARY SCHOOL IN LAM DONG PROVINCE. The University of Phan Thiet Journal of Science, [S. l.], v. 4, n. 3, p. 88–104, 2026. Disponível em: http://tapchikhoahocupt.vn/index.php/uptjs/article/view/129.. Acesso em: 12 oct. 2026.