Kiss, Jemima( October 4, 2012). Facebook is 1 billion times a '. Welch, Chris( June 27, 2017). Facebook proves 2 billion equal pockets '. Constine, Josh( June 27, 2017).
Half a free Alternative of Business on the Stroop parent: An innate kind. adaptive Bulletin, 109:2, 163-203. The Stroop experience: The ' hierarchical bibliography ' of professional effects. Journal of Experimental Psychology: General, 121, 12-14.