Keren Blankfeld, 'Sugar Daddy', in Forbes, March 28, 2011, pp. 94-98 BusinessWeek Reuters biography
Keren Blankfeld, 'Sugar Daddy', in فوربز, March 28, 2011, pp. 94-98 BusinessWeek مشارکت‌کنندگان ویکی‌پدیا.