Evaluating meaningful learning processes in Mathematical education conceptual maps

Carlos Silva Córdova

7-15

Learning communities: a proposed social construction of knowledge acquired in the teaching practice

Araceli Oyarce Díaz, Rodolfo Peña Contreras

35-43

A didactic proposal for the stoichiometry unit

Marijana Tomljenovic, Miriam Painén, Carlos Sánchez

17-29

Educational proposal for the development of ict Skills with a didactic approach in the area of organic Chemistry in secon dary education

Michal Elias, Marijana Tomljenovic

45-52

Qualitative analysis of a sample of four cations throught anodic stripping voltammetrx a methodological strategy

Sergio Hernández Hernández, Carlos Franco Ortega

31-33