Soentoro, Edy Anto, Imam Muhardiono, and Yadi Suryadi. 2019. “Optimization Model of Land Use Planning to Reduce Land Erosion Level: Case Study in the Upper Ciujung River Basin”. Jurnal Teknik Sipil 26 (3):213-22. https://doi.org/10.5614/jts.2019.26.3.4.