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1كتاب إلكتروني
المؤلفون: Jember, Yosef BerhanAff6, Workineh, Tewodros GeraAff6, Yetayew, Tefera T.Aff7, Dinkayow, MeresaAff7
المساهمون: Mequanint, Kibret, editorAff1, Tsegaw, Assefa Asmare, editorAff2, Sendekie, Zenamarkos Bantie, editorAff3, Kebede, Birhanu, editorAff4, Yetbarek Gedilu, Ephrem, editorAff5
المصدر: Advancement of Science and Technology in Sustainable Manufacturing and Process Engineering. :1-26