Harper, W.M.
Basic mathematics by W.M. Harper and L.W.T. Stafford - Plymouth, Estover Macdonald and Evans 1981 - 181p.
Mathematics
YA51 H234
Basic mathematics by W.M. Harper and L.W.T. Stafford - Plymouth, Estover Macdonald and Evans 1981 - 181p.
Mathematics
YA51 H234
