Understanding mathematics 4 /
COX C. J.
Understanding mathematics 4 / C. J. Cox and D. Bell - London : John Murray Publishers Ltd, 1986 - iii, 239 p. : ill.
9780719543029 (pbk)
Understanding mathematics 4 / C. J. Cox and D. Bell - London : John Murray Publishers Ltd, 1986 - iii, 239 p. : ill.
9780719543029 (pbk)