< Acknowledgements >
Firstly, I would like to express my sincere gratitude to my tutor, James A. Craig for the continuous support of my dissertation and related research, for his patience, motivation, and immense knowledge. His guidance helped me in all the time of research and writing of this dissertation. I would also like to thank my friend, Octorino Tjandra for proofreading and curating my dissertation. His support has helped me in the completion of this dissertation.