Math activities with a porpoise /
Konsler, Runelle.
Math activities with a porpoise / Runelle Konsler. - Goodyear : Santa Monica, 1980. - il. ; 27 cm
0830256318
Matemáticas-Enseñanza
Math activities with a porpoise / Runelle Konsler. - Goodyear : Santa Monica, 1980. - il. ; 27 cm
0830256318
Matemáticas-Enseñanza