how business internship prior to graduation helps university students to get carrier oriented employment?

how business internship prior to graduation helps university students to get carrier oriented employment?key word- business internship, prior to gradution, university students carrier, employment(all these terms should be interrelated)(2000 words)peer reviewed scholarly journal articles at least 15 to 20 cover in itcitation and referencing (Chicago)please keep in mind that it is the assignment of masters degree student