“Contextual Effect of Posyandu on Adherence to Iron Tablet Consumption among Pregnant Women in Blitar, East Java”, J Matern Child Health, vol. 4, no. 2, pp. 107–117, Mar. 2019, Accessed: Mar. 03, 2026. [Online]. Available: https://thejmch.com/index.php/thejmch/article/view/172