ICERI2011 4th annual International Conference of Education, Research and Innovation. Madrid, Spain, 14-16 November 2011.
IATED-INT ASSOC TECHNOLOGY EDUCATION A& DEVELOPMENT.
2011.
С. 846-849
ICERI2011 4th annual International Conference of Education, Research and Innovation. Madrid, Spain, 14-16 November 2011.
IATED-INT ASSOC TECHNOLOGY EDUCATION A& DEVELOPMENT.
2011.
С. 867-870