Ningrum RAV, Sudiarti T. Penggunaan Aplikasi WhatsApp untuk Meningkatkan Pengetahuan 1000 HPK Ibu Hamil pada Masa Pandemi COVID-19 di Kecamatan Ciomas Kabupaten Bogor : The Use of WhatsApp Application to Increase the Knowledge of the first 1000 Early Days of Life for Pregnant Women during the COVID-19 Pandemic at Ciomas District, Bogor Regency. Media Publ. Promosi Kesehat. Indones [Internet]. 2024Jan.3 [cited 2024Jul.3];7(1):217-24. Available from: https://jurnal.unismuhpalu.ac.id/index.php/MPPKI/article/view/4266