6 1 40 Eugene L.Grant Additional Author W.Grant Ireson Additional Author Richard S.Leavenworth Additional Author mixed material 9795181882 Jakarta Rineka Cipta 1996 Dasar-Dasar_Ekonomi_Teknik_%28Jilid_1%29.jpg.jpg Eugene L.Grant Additional Author W.Grant Ireson Additional Author Richard S.Leavenworth Additional Author mixed material 9795181882 Jakarta Rineka Cipta 2001 Dasar-Dasar_Ekonomi_Teknik_%28Jilid_1%29.jpg.jpg Eugene L.Grant Additional Author W.Grant Ireson Additional Author Richard S.Leavenworth Additional Author mixed material New York John Willey and Sons 1990 Principles_Of_Engineering_Economy_8.jpg Eugene L. Grant Additional Author Richad S. Leavenworth Additional Author mixed material 0070241147 London Mc Graw-Hill Book Company 1980 IMG_0325.jpg Eugene L.Grant Additional Author W.Grant Ireson Additional Author Richard S.Leavenworth Additional Author mixed material 9798151890 Jakarta Rineka Cipta 1996 Eugene L.Grant Additional Author W.Grant Ireson Additional Author Richard S.Leavenworth Additional Author mixed material 9795181890 Jakarta Rineka Cipta 2001