Enlaces
[1] https://www.rmm.cl/portales/104/articulos/desarrollando-el-razonamiento
[2] http://C:%5CDocuments%20and%20Settings%5CAdministrador%5CEscritorio%5CMARISOL%5CPresentaciones%5C4?%5CDistintos%20tipos%20de%20prob.ppt
[3] http://C:%5CDocuments%20and%20Settings%5CAdministrador%5CEscritorio%5CMARISOL%5CTangramas%5Ctangrama%5CConstrucciones%20y%20tangrama.ppt
[4] http://C:%5CDocuments%20and%20Settings%5CAdministrador%5CEscritorio%5CMARISOL%5CTangramas%5Ctangrama%5Cjuego%20gemetrico.pdf