The teaching of secondary mathematics
Butler,C.H.
The teaching of secondary mathematics - Third Ed. - London : McGraw hill book company inc, 1960 - 624p.; 24cm
Natural sciences and mathematics
510.7 / BUT
The teaching of secondary mathematics - Third Ed. - London : McGraw hill book company inc, 1960 - 624p.; 24cm
Natural sciences and mathematics
510.7 / BUT