1.
Phuong-Thuy Kieu, Chi-Trung Nguyen. Self-directed learning development for high school students and teaching issues. TURCOMAT [Internet]. 2022 Dec. 5 [cited 2025 Oct. 14];13(03):954-61. Available from: https://www.turcomat.org/index.php/turkbilmat/article/view/13217