OPEN OSN 2017
Memtdikbud Muhadjir Effendy (left) submits the OSN Calling Cup to the Riau Governor Arsyadjuliandi Rachman (right) at the opening of the National Science Olympic (OSN) 2017 in Pekanbaru, Riau, Monday (3/7). OSN 2017 that lasts until Saturday (8/3) is followed by 1,280 students of SD, SMP and SMA levels from all over Indonesia. ANTARA PHOTO/Rony Muharrman/pd/17
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