Open Access Library Journal

Vol.4 No.6(2017), Paper ID 77290, 18 pages

DOI:10.4236/oalib.1103665

 

A Survey of the System N of Natural Numbers Assigned to Primary Teachers

 

Milosav M. Marjanović

 

Serbian Academy of Sciences and Arts, Belgrade, Serbia

 

Copyright © 2017 Milosav M. Marjanović et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

 

How to Cite this Article

Marjanović, M. (2017) A Survey of the System N of Natural Numbers Assigned to Primary Teachers. Open Access Library Journal, 4, 1-18. doi: 10.4236/oalib.1103665.
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