The metric system
Ploutz, Paul F.
The metric system content and methods Paul F. Ploutz. - 2d ed. - Columbus, Ohio Merrill c1977. - viii, 109 p. ill. 28 cm.
0675085381
76044130
Metric system--Programmed instruction.
QC93 / .P57 1977
530/.8
The metric system content and methods Paul F. Ploutz. - 2d ed. - Columbus, Ohio Merrill c1977. - viii, 109 p. ill. 28 cm.
0675085381
76044130
Metric system--Programmed instruction.
QC93 / .P57 1977
530/.8