ANALISIS PERMASALAHAN PENGELOLAAN SUNGAI DELI (PROBLEM ANALYSIS OF DELI RIVER MANAGEMENT). Inovasi [Internet]. 2018 Aug. 8 [cited 2026 Oct. 2];14(1):77-82. Available from: https://jurnal.sumutprov.go.id/index.php/inovasi/article/view/89