Kristoforus Samson, Dominicus Husada, and Muthmainnah. “Efek Message Reminder Terhadap Waktu Imunisasi Anak : Systematic Review: The Effect of Message Reminder on Child Immunization Time: Systematic Review”. Media Publikasi Promosi Kesehatan Indonesia (MPPKI) 7, no. 2 (February 6, 2024): 313-320. Accessed July 3, 2024. https://jurnal.unismuhpalu.ac.id/index.php/MPPKI/article/view/4499.