Apriyanti, Sofia, et al. “Penggunaan Smartphone Berpengaruh Terhadap Gejala Computer Vision Syndrome: Smartphone’s Usage Affects Computer Vision Syndrome Symptoms”. Jurnal Sains Dan Kesehatan, vol. 3, no. 5, Oct. 2021, pp. 673-8, doi:10.25026/jsk.v3i5.571.