BR. Sebayang, W. “The Relationship Between Mother’s Knowledge And Attitude About High Risk Pregnancy In Pulo Brayan Medan Health Center”. Jurnal Kesehatan, Rekam Medis Dan Farmasi (JUK-Medifa), vol. 1, no. 02, Mar. 2023, pp. 66-69, https://jurnal.seaninstitute.or.id/index.php/health/article/view/77.