Thematic Group 11 ... teachers who changed their school level at the beginning of this year. ... middle school to high school, holding that the major focus of standard ... which are usually holders of a degree in biology or in natural sciences.
work was concerned only with the first three levels, i.e. with the period preceding ... which are usually holders of a degree in biology or in natural sciences. .... autonomous elaboration, a form of personal mathematical understanding, and is ... We
