Items where Author is "Haryaiti, Hetty"
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Sitorus, Marham and Haryaiti, Hetty (2014) PRODUKSI SABUN DENGAN BAHAN BAKU MINYAK JARAK (CASTOR OIL). In: Semirata 2014 Bidang MIPA BKS-PTN-Barat, 9-11 May 2014, Bogor.