00397nam a2200169Ia 450000500170000000800410001702000180005804100080007608200100008410000200009424500260011425000060014026400310014630000300017765000060020765500140021320260922095449.0260922s9999    xx            000 0 und d  a979-8492-84-6  aind  a153.81 aSOFANDY, Indra 10aCara Berpikir Optimal  a0  aJakartabRestu Agungc2003  ax, 141 hlm.bilus.c18 cm 4a0  aGrade 7-9