na INLIS000000000005274 20151026100534.0 9799386985 010-101500000000961 [21] 513 513 WID p Widyastuti, D.E. Pandai Berhitung dengan Sempoa / D.E. Widyastuti. Cet. 1 Jakarta : Kriya Pustaka, 2007. iv, 60 hlm. : ilus. ; 29,5 cm. Biblio : hlm. 59 ILMU HITUNG Perpusdakedirikota 7426(15932)/PU-KDR/PP/2009 8100(15933)/PU-KDR/PP/2009 8145(15934)/PU-KDR/PP/2009