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Pembuatan dan Karakterisasi Paving Block Berdaya Serap Air Tinggi dengan Memanfaatkan Limbah Cangkang Kulit Kopi dan Batu Apung dengan Resin Polyurethane
(Universitas Sumatera Utara, 2019)
Paving block has high water absorption with of use coffee skin waste and pumice with polyurethane resin has been successfully made and characterized. In this study, the composition of coffee skin which varied were 0 gram, ...