Septiasari, Ratih Mega, and Nurya Viandika. “The Correlation Between Covid-19 Knowledge and Anxiety of Pregnant Women During Covid-19 Pandemic”. JI-KES (Jurnal Ilmu Kesehatan), vol. 4, no. 2, Feb. 2021, pp. 71-74, doi:10.33006/ji-kes.v4i2.197.