HomePeter Drucker. Click on image for zoom and color. Peter Drucker. Click on image for zoom and color. Leave a Comment / By Vera Kofyan / 8 בJuly 2019 Peter Drucker This post is available also in: עבריתYou may also find interesting:The 12 rules for lifeThe 8th habitAtractor factorThink and grow richPowered by Contextual Related Posts