Retnowati, Yuni. “ The Relationship Between Knowledge and Regularity of Antenatal Care Visits During The Covid-19 Pandemic ”. International Journal of Health and Pharmaceutical (IJHP) 2, no. 2 (May 8, 2022): 301–307. Accessed February 4, 2026. https://ijhp.net/index.php/IJHP/article/view/59.