Nur Cory’ah, Fitra Arsy, and Siti Mardianingsih. 2018. “Use of Anti-Hypertension Drug Safety (Labetalol and Nifedipine) During Pregnancy”. International Journal of Nursing Didactics 8 (08):37-42. https://doi.org/10.15520/ijnd.v8i08.2267.