Ramadhani Nainggolan. “The Influence of Health Education About Delivery on Primigravidal Anxiety Trimester III During the Covid-19 Pandemic in Aek Haruaya Village”. International Journal of Public Health Excellence (IJPHE), vol. 2, no. 1, Dec. 2022, pp. 302-7, doi:10.55299/ijphe.v1i2.114.