What To Solve?: Problems and Suggestions for Young Mathematicians Judita Cofman 10 mai 1990 Paperback Preț: 274.46 lei 378.02 lei 42-47 zile -27%
Numbers and Shapes Revisited: More Problems for Young Mathematicians Autor Judita Cofman 30 mar 1995 Paperback Preț: 173.49 lei 224.53 lei 42-47 zile -23%