Dissertations / debate on dissertation on selection methods help [2]

i am doing a dissertation on selection methods of a company (undergrad final year) i want to know how i can structure and what i should include theories etc i know that i have some sort of debate and i dont know what to do it on it the main bit im stuck on the debate and what i could write on it and the main layout as it holds the most marks.the layout what a start with what a finish with etc.