Sugiharja, Danur, Omar Pahlevi, and Reni Widyastuti. 2019. “The RPTRA Geographic Information System Application in Central Jakarta City Using the Dijkstra Algorithm Based on Android”. Sinkron : Jurnal Dan Penelitian Teknik Informatika 3 (2):56-60. https://doi.org/10.33395/sinkron.v3i2.10043.