Maliha Amin, Elita Vasra, Intan Kumalasari, Maksuk, Faiza Yuniati, and Sari Aisa. 2022. “Effect of Whatsapp Reminder on Antenatal Care Revisit Compliance and Knowledge of Pregnancy Danger Signs During the Covid-19 Pandemic”. STRADA : Jurnal Ilmiah Kesehatan 11 (2):84-94. https://doi.org/10.30994/sjik.v11i2.918.