Sarah M, Basri B, Martina M, Ginting D, Astuti M, Pasaribu D. Skrining Ketajaman Visual pada Anak Usia Sekolah di Medan. JPM [Internet]. 28Jun.2021 [cited 23Apr.2026];3(2):137-42. Available from: https://jurnal.globalhealthsciencegroup.com/index.php/JPM/article/view/516