00486nam a2200181Ia 450000500170000000800410001702000180005804100080007608200090008410000210009324500650011425000060017926400410018530000330022665000060025965500140026570000250027920260922095425.0260922s9999    xx            000 0 und d  a979-20-1733-x  aind  a510.1 aRANGKUTI, Freddy10aHumor Matematika 2b: Incerasing Your Kid Math Intelligence   a1  aJakartabElex Media Komputindoc2000  aviii, 184 hlm.bilus.c21 cm 4a0  aGrade 7-91 aSiti Haniah eauthor