Sudirman, Jumrah, Rahayu Eryanti K, and Hairuddin K. “FAKTOR RISIKO KEJADIAN STRES PADA IBU HAMIL PRIMIGRAVIDA DI MASA PANDEMI COVID-19”. Jurnal Ilmiah PANNMED (Pharmacist, Analyst, Nurse, Nutrition, Midwivery, Environment, Dentist) 17, no. 2 (August 30, 2022): 270–275. Accessed August 28, 2025. https://ojs.poltekkes-medan.ac.id/pannmed/article/view/1328.