Have a plenty of school promulgate, some is a government sector, still have a plenty of organization of a few societies, industrial and commercial enterprise to wait (for example school of division of business of a few expedience) issue.

• 有的是校颁的，有的则是政府部门，还有的是一些社会团体、工商企业等（例如一些私利商科院校）颁发的。