Concept Design Of Post-Mining River Naturalization With Nature Based Solution (NBS) Approach (Case Study: Sungai Daeng, West Bangka): Desain Konsep Naturalisasi Sungai Pasca Tambang Dengan Pendekatan Nature Based Solution (NBS) (Studi Kasus : Sungai Daeng, Bangka Barat). jpu. 2022;9(2):9-17. doi:10.33019/jpu.v9i2.3527