Huynh, Diep, and Phuong Chu. “The Current Situation of Self-Directed Learning Skills of High School Students: A Study on High School Students in Da Nang”. RA Journal of Applied Research 10, no. 11 (November 12, 2024): 280–291. Accessed December 22, 2024. http://rajournals.in/index.php/rajar/article/view/1409.