TY - BOOK AU - ICM TI - New trends in mathematics teaching U1 - 510 PY - 1966/// CY - France. PB - Unesco, KW - MCE N1 - 0; 0; 0; 510_000000000000000_ICM; 0; 0; 0; 510_000000000000000_ICM; 0; 0; 0; 510_000000000000000_ICM ER -