Rosadi, Wahyuni, Endang Sutisna Sulaeman, and Hanung Prasetya. 2019. “Multilevel Analysis on Factors Affecting Measles Rubella Immunization Uptake Among Toddlers in Pekanbaru, Indonesia”. Journal of Maternal and Child Health 4 (6):448-60. http://thejmch.com/index.php/thejmch/article/view/275.