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israil
http://www.ipho.org.il/#!stageb/c1bdh
estonia fin
http://www.ioc.ee/~kalda/ipho/E_S.html
http://www.kgof.edu.pl/archiwum.ph
http://www.if.pw.edu.pl/~konkurs/
http://scienceolympiadsbd.blogspot.com.tr/p/preparation-guideline.html
Rudolf Ortvay International Competition in Physics
http://ortvay.elte.hu/main.html
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