“Theory of Planned Behavior on Factors Affecting Tetanus Toksoid Immunization Uptake Among Pregnant Women in Boyolali, Central Java”, J Matern Child Health, vol. 4, no. 3, pp. 190–200, May 2019, Accessed: Aug. 29, 2026. Available: https://thejmch.com/index.php/thejmch/article/view/185