“…Esta obra ofrece una síntesis de las causas, conocimiento y tratamiento de los trastornos psíquicos en niños y adolescentes. Gerhardt Nissen es catedrático y director de la clínica universitaria de Würzburgo para psiquiatría infantil y juvenil. …”

“…Conversational Marketing pioneers David Cancel and Dave Gerhardt explain how to: Merge inbound and outbound tactics into a more productive dialog with customers Integrate conversational marketing techniques into your existing sales and marketing workflow Face-to-face meetings, phone calls, and email exchanges remain important to customer relations, but adding a layer of immediate, individual conversation drives the customer experience—and sales—sky-high…”