DECLARATION

(i) The research reported in this dissertation, except where otherwise indicated, is my own work. (ii) This dissertation has not been submitted for any degree or examination at any other university. (iii) This dissertation does not contain other person ‟ data, pictures, graphs or other information, unless specifically acknowledge as being sourced from other person. (iv) This dissertation does not contain other persons ‟ writing unless specifically acknowledged as being sourced from other researchers. Where other written sources have been quoted, then: (a) Their words have been re-written but the general information attributed to them has been referenced; (b) Where their exact words have used, their writing has been placed inside quotation marks, and referenced. (v) Where I have reproduced a publication of which I am an author, co-author or editor, I have indicated in detail which part of the publication was actually written by myself alone and have fully referenced such publications. (vi) This dissertation does not contain text, graphics or tables copied and pasted from the Internet, unless specifically acknowledged, and the source being detailed in the dissertation and in the References sections. Signed