Angkasa, Chensie S., Rillya D. P. Manoppo, and Wenny P. Supit. “Benefit of Nutrition Supplement With Vitamin D in Reducing the Risk of Myopia Among Children”. e-CliniC 10, no. 1 (February 20, 2022): 72–77. Accessed April 25, 2024. https://ejournal.unsrat.ac.id/v3/index.php/eclinic/article/view/37476.