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Items where Author is "Saputra, Rizal Andika"
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Saputra, Rizal Andika and Pratama, Luthfi Helmi (2023) INOVASI PEMANFAATAN SERAT POLYPROPYLENE DAN LIMBAH ABU CANGKANG SAWIT SEBAGAI BAHAN SUBTITUSI BETON. Undergraduate thesis, Universitas Diponegoro.