00636nam a2200193Ia 450000500170000000800410001704100080005808200090006610000180007524500120009326400470010530000270015252001300017965000060030965500140031570000620032970000260039170000250041720260922095539.0260922s9999    xx            000 0 und d  aind  a503.1 aTHO Lai Hoong10aSains 2  aSingaporebpan Pacific Publications c2001  a301 hlm.bilus.c27 cm  aBuku ini berisi Atom dan Molekul, perubahan dalam zat, larutan dan suspensi, asam dan alkali, Kristal, Air dan pencemaran air 4a0  aGrade 7-91 aD. Puboniningrat, dan Geino U. Purbodiningratetranslator1 aGoh Ngoh Kangeeditor1 aHO Peck Lengeauthor