Detail Produk
Berat : - grkumon math workbook terdiri dari 10 buku:
1. addition grade 1
2. substraction grade 1
3. addition grade 2
4. substraction grade 2
5. addition & substraction grade 3
6. multiplication grade 3
7. division grade 3
8. multiplication grade 4
9. division grade 4
10. decimal and fraction grade 4