EPGY Math Olympiad Problem Solving

math.stanford.edu/~paquin/epgyMO.html

Belgian website

use google translator

http://www.mathraining.be/

how to approach IMO problem

https://hcmop.wordpress.com/2012/03/23/how-to-approach-an-olympiad-problem-by-ho-jun-wei/

Brazil IMO

http://poti.impa.br/index.php/modulo/index

we may use https://www.onlinedoctranslator.com/translationform