ix TABLE OF CONTENTS ABSTRACT .............................................................................................................................. 2 ABSTRAK ................................................................................................................................ 3 VALIDATION PAGE ............................................................................................................... 4 THE GUIDANCE FOR USING THE THESIS ........................................................................ 5 STATEMENT OF AUTHORSHIP ........................................................................................... 7 ACKNOWLEDGEMENTS ....................................................................................................... 8 TABLE OF CONTENTS .......................................................................................................... 9 LIST OF FIGURES ................................................................................................................. 11 LIST OF TABLES .................................................................................................................. 12 Chapter I Introduction ............................................................................................................... 1 I.1 Research Background ................................................................................................ 1 I.2 Problem Identification ............................................................................................... 8 I.3 Research Questions ................................................................................................. 10 I.4 Research Objectives ................................................................................................ 10 I.5 Research Contribution ............................................................................................. 12 I.6 Research Approach and Methods ............................................................................ 13 I.7 Scope and Limitations .............................................................................................. 14 I.8 Key assumptions ..................................................................................................... 15 I.9 Writing structure ..................................................................................................... 15 Chapter II Literature Review ............................................................................................