New trends in mathematics teaching
United Nations Educational, Scientific and Cultural Organization
New trends in mathematics teaching - Paris : Unesco, 1967 - v. : ill. ; 27 cm. - The teaching of basic sciences .
9231010166
Mathematics--Study and teaching
New trends in mathematics teaching - Paris : Unesco, 1967 - v. : ill. ; 27 cm. - The teaching of basic sciences .
9231010166
Mathematics--Study and teaching
