Abstract
The formation of The Heureka Project started in the beginning of 90th, so we celebrated the twentieth anniversary in 2011. It is a good opportunity to look back on our work and to invite other teachers to participate in our project.
The formation of The Heureka Project started in the beginning of 90th, so we celebrated the twentieth anniversary in 2011. It is a good opportunity to look back on our work and to invite other teachers to participate in our project.