“Acute Respiratory Tract Infection, Parental Education and Cold Drinks As Risk Factors for Tonsillitis in School-Age Children”. Jurnal Ilmiah Perawat Manado 13, no. 1 (Juni 30, 2025): 38–44. Diakses Oktober 9, 2025. https://ejurnal.jurkeppolkesdo.my.id/index.php/JUIPERDO/article/view/7.