Roberto Re - come conquistare un cliente
http://www.youtube.com/watch?v=YdrwrdOtNm0&feature=related
Roberto Re - come si vende2
http://www.youtube.com/watch?v=7xORRJcn9hE&feature=related
LA TEORIA DEI SEI BISOGNI DI ANTHONY ROBBINS
[URL=http://www.youtube.com/watch?v=Zt0E060jVGc&feature=related]http://www.youtube.com/watch?v=Zt0E060jVGc&feature=relate