Items where Author is "Roby, Suprihandi"
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Suhenry, Sri and Widayati, Tunjung Wahyu and Hartarto, Hutomo Tri and Roby, Suprihandi (2015) Proses Pembuatan Gelatin dari Kulit Kepala Sapi dengan Proses Hidrolisis Menggunakan Katalis HCl. Program Studi Teknik Kimia UPN "Veteran" Yogykarta. (Unpublished)