Hải NT, Đức NQ, Linh VK, Tùng Đào V. Situation and some factor related to sleep quality and signs of internet addiction of students at two high schools Le Quy Don and An Duong in Hai Phong in 2022. TC YHDP [Internet]. 2023 Jun. 5 [cited 2024 May 18];33(1 Phụ bản):4. Available from: https://vjpm.vn/index.php/vjpm/article/view/970