na INLIS000000000024623 20231202145302 231202||||||||| | ||| |||| || | 010-1223024623 id 793.74 793.74 Per a Perelman, Yakov Asah otak ala Rusia Cet.2 Semarang Dahara Prize 1997 v, 114 hlm. : ilus. ; 21 cm R31.32 - R31-0817 Matematika -- Permainan