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Dewey Decimal Classification (DDC)
(6)
500 Natural sciences and mathematics
(6)
513 Arithmetic
(6)
513.028 4 Abacus
(1)
513.5 Numeration systems
(1)
513.6 Modular arithmetic
(4)
Number of items at this level:
0
.
This list was generated on
Sun Feb 28 09:54:22 2021 WIB
.