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Saputra, Muhammad Dimas Yoga and Kurniati, Dwi (2021) PENGARUH SUBSTITUSI LIMBAH ABU SEKAM PADI TERHADAP PAVING BLOCK DENGAN PRESENTASE 2,5%, 5%, 7,5% EFFECT OF RICE HUSK ASH WASTE SUBSTITUTION ON PAVING BLOCK WITH PRESENTATION OF 2.5%, 5%, 7.5%. Tugas Akhir thesis, University Technology Yogyakarta.