1 янв 1980 г. - Revisión of the educational programs
Описание:
They are designed to overcome the pedagogical shortcomings of the last reform. They take up recommendations for the teaching of mathematics previously previously established at international conferencesДобавлено на ленту времени:
Дата:
1 янв 1980 г.
Сейчас
~ 44 г назад
