for da topic "business m'gmt and change"....for the syllabus dot point "managers roles"...there is interpersonal, informational and deciisonal...though in my txt book, within these roles, there are abt 3 more roles for each e.g. figurehead, liason are under interpersonal..i think.... wich r not in the text book...do u think i need to knw these other roles?