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Echo's story - A psychologist walked around a room while teaching...
November 28, 2013 at 1:17:03 PM GMT+1 - permalink -Wooooow.
Un enseignement sur la gestion du stress.
Simple, mais génial !- http://echostory.tumblr.com/post/68251271726/a-psychologist-walked-around-a-room-while-teaching