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Siregar OR, Sari SK, Kosasih E. Correlation Of Parents’ Level Of Knowledge With Actions Against Refractive Directness In Children Aged 5 – 8 Years At State Primary School. Jupiter [Internet]. 2024 Jan. 9 [cited 2026 Jun. 6];2(2):93-103. Available from: https://hasmed.org/index.php/Jupiter/article/view/83