1.
Lubis MRZ, Kadri A. Correlation Between Blue Light Exposure from Digital Device Screens and Sleep Quality Among Students in the Faculty of Medicine, Universitas Sumatera Utara Class of 2019. Sumat. Med. J. [Internet]. 2023 May 15 [cited 2025 Nov. 23];6(2):71-6. Available from: https://talenta.usu.ac.id/smj/article/view/11051