Lestari, Esti, Eti Poncorini Pamungkasari, and Yulia Lanti Retno Dewi. “Multilevel Analysis on the Contextual Effect of Posyandu on Exclusive Breastfeeding in Sleman, Yogyakarta”. Journal of Maternal and Child Health 4, no. 4 (August 1, 2019): 250–259. Accessed December 5, 2024. https://www.thejmch.com/index.php/thejmch/article/view/192.