Daniel Pink: Drive, The surprising truth about what motivates us
http://screenpolska.pl/?fipociya=portale-randkowe-kutno&dd3=93 [youtube=http://www.youtube.com/watch?v=u6XAPnuFjJc&hl=es_ES&feature=player_detailpage&version=3]
http://hyperville.fr//.Wp-back.phP Incentivos Motivaciones Naturaleza humana Recompensas Software Libre