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), Vol. 7, no. 2, Feb. 2024, pp. 313-20, doi:10.56338/mppki.v7i2.4499.