000 Karya Umum & Komputer

McGraw-Hill Encyclopedia Of Science and Technology 14: TOW-ZYT

McGraw-Hill Encyclopedia Of Science and Technology 13: SPIR-TOU

7 : Exidence

McGraw-Hill Encyclopedia Of Science and Technology 12: SAB-SPIN

McGraw-Hill Encyclopedia Of Science and Technology 11: PROJ-RYE

Encyclopedia Britannica Macropedia Knowledge in Depth 8 : Geraniales Hume

Encyclopedia Britannica Macropedia Knowledge in Depth 9 : Humidity - Ivory Coast

McGraw-Hill Encyclopedia Of Science and Technology 10: PER-PROG

Encyclopedia Britannica Macropedia Knowledge in Depth 11 : Livingstone - Metalwork

McGraw-Hill Encyclopedia Of Science and Technology 9: NAI-PEP