Understanding mathematics. book 3 /
Skemp, Richard R.
Understanding mathematics. book 3 / Richard R. Skemp. - London: University of London Press, 1966. - 192 p. : ill. ; 22 cm.
Mathematics
510
Understanding mathematics. book 3 / Richard R. Skemp. - London: University of London Press, 1966. - 192 p. : ill. ; 22 cm.
Mathematics
510