Odbileg NorovrinchenSungchil LeeAriuntsetseg Uyanga2025-10-052023https://gmitlibrary.net/handle/123456789/90First, I would like to thank my first supervisor, Professor Odbileg Norovrinchen, who suggested my thesis topic and gave me the necessary tools. Your wise feedback helped me refine my ideas and elevated my work to a higher level.enThesis