There are some contents that maybe you need inside.
Some contents of my blog are:

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Mathematics Olympics Blog, which the articles about mathematics olympics problem from elementary (SD and SMP) until middle level (SMU) and some related article. In this column, we also including some of final test (UAN and UASBN) special for mathematics for SD, SMP, SMU, and SMK. 

Scientific Journal Column, which is filled by the articles about my conceptual papers and experiment result.  There is a masterpiece of me and my collaboration team, that is an experiment about Batik Mathematics. Batik mathematics is batik which its motif is inspired from mathematics function.Another columns are about Learning at Unnes, Blogger Corner, and also News from Pakdhe. Hmm… and great fully thanks to all my friends, Indonesian blogger, which has help me to build this blog.

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