“Organic Waste Processing Machine In Order To Provide An Alternative Solution To Leaf Waste Processing In Lalang Village, Manggar Sub-District, East Belitung District: Mesin Pengolah Sampah Organik Dalam Rangka Memberikan Alternatif Solusi Pengolahan Sampah Daun Di Desa Lalang Kecamatan Manggar Kabupaten Belitung Timur”, jpu, vol. 1, no. 1, pp. 47–51, Oct. 2022, doi: 10.33019/jpu.v1i1.3386.