Guskarnali, G., J. Pitulima, and M. Mardiah. “Revitalization Of Drainage Functions And Waste Management With The 4R Principles (Reduce, Reuse, Recycle And Replace) In Parit Lalang Village And Asam Village”. Jurnal Pengabdian Kepada Masyarakat Universitas Bangka Belitung, Vol. 4, no. 1, Aug. 2018, doi:10.33019/jpu.v4i1.163.