na INLIS000000000005276 20151026103228.0 9799795600946 010-101500000000963 [21] 925 925 ALK Al Khawarizmi : Algorism / NN Studio Cet.1 Jakarta : Gema Insani ; 2006 94 hlm. : ilus. ; 20,5 cm Tokoh Ilmuwan Perpusdakedirikota 22048(25297)/PU-KDR/HD/2011