The metric system of weights and measures
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | अंग्रेज़ी |
| प्रकाशित: |
New York
Bureau of Publications, Teachers College, Columbia University
1948.
|
| श्रृंखला: | National Council of Teachers of Mathematics. Yearbook
20 |
| विषय: |