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		Fadhillah, Mochammad, AND 		Arini, Resti.
" PENGARUH ABU SEKAM PADI DAN HIGH DENSITY POLYETHYLENE SEBAGAI SUBTITUSI SEMEN DAN AGREGAT HALUS TERHADAP KUAT TEKAN MORTAR" <em>JURNAL SPEKTRAN</em> [Online], Volume 11 Number 1 (31 January 2023)