TY  - BOOK
AU  - O'Daffer, Phares G.
AU  - Clemens, Stanley R.
AU  - Charles, Randall (Randall I.)
TI  - Pre-algebra
ET  - Teacher's ed.
PB  - Addison-Wesley
PY  - 1987
EP  - 96, x, 548 p.
UR  - https://ci.nii.ac.jp/ncid/BA85521887
SN  - 0201204819
ER  -