Wiyono, Slamet, Dega Surono Wibowo, and M. Yusuf Bachtiar. 2019. “Case Study : Development of POSYANDU (Pos Pelayanan Terpadu) Information System”. Sinkron : Jurnal Dan Penelitian Teknik Informatika 3 (2):288-92. https://doi.org/10.33395/sinkron.v3i2.10066.