Junaedi M, Kholil M. Hubungan Penggunaan Gadget terhadap Kelainan Refraksi di SD Semarang. SJRI [Internet]. 2025 Nov. 30 [cited 2026 Jun. 10];4(11):3278-87. Available from: https://ejournal.nusantaraglobal.ac.id/index.php/sentri/article/view/4744