00455nam a2200169Ia 450000500170000000800410001702000220005804100080008008200090008810000170009724500610011426400410017530000200021665000060023665500140024270000290025620260914083133.0260914s9999 xx 000 0 und d a978-979-27-5799-6 aind a608.1 aKIM, Min-Jae10aWhy? : Invention and Discovery = Penciptaan dan Penemuan aJakartabElex Media Komputindoc2009 a157 hlm.c24 cm 4a0 aGrade 7-91 aIwan Wildanaetranslator