na INLIS000000000001982 20150327144906.0 SBPUHAT ind. [22] 925.1 925.1 ZAH s J. Zahrani K Siapakah penemu angka nol / J. Zahrani K; Editor, Edi Warsidi cet. 2 Bandung : Puripustaka, 2012 63 hlm. : illus. ; 21 cm. hlm. 60 -62 Ahli matematika Edi Warsidi SBPUHAT