Theory of Didactical… Mathematics Education Library, nr. 19 Autor Guy Brousseau et al. 30 sep 1997 Hardback Preț: 1203.87 lei 1468.13 lei 6-8 săpt. -18%
… Editat de Nicolas Balacheff et al. 26 mar 2009 Hardback Preț: 1365.38 lei 1665.10 lei 6-8 săpt. -18%