Hani, S. P., and T. Kuntari. “Association Among Timing of First Visit, Antenatal Care Frequency, and Anaemia Gravidarum During the Peak Period of the COVID-19 Pandemic”. Jurnal Profesi Medika : Jurnal Kedokteran Dan Kesehatan, vol. 17, no. 1, June 2023, doi:10.33533/jpm.v17i1.5663.