No one can do anything alone. For me, this is true. In fact, if there were no support of everyone throughout time of carrying out this research, I could not fulfill it. Therefore, at this first page, I would like to express my sincere gratitude to people who helped me in accomplishing the research.
First of all, all my veneration and thankfulness, I would like to send to my advisor - Dr. Do Ba Khang - whose acceptance me as advisee, valuable guidance, and constructive comments to my efforts are strong encouraging for me to make the research fulfilled.
I would like also to send my gratefulness to Dr. Fredric William Swierczek and Dr. Clemens Bechter for their valuable contribution in serving as committee members. Maybe, they did not understand that, their friendliness and willingness in playing the role as a committee member is important factor in lessening the strain and anxiety of a graduating student like me.
My sincere thank also goes to Dr. Hans Stoessel – Director of SAV program - for his encouragement when I studied at SAV-Viet Nam as well as during the time of my studying at AIT.
I would like to thank all faculties and staffs of SAV and AIT for their teaching, assistance and supporting me in studying and fulfilling the research.
Unforgettable gratitude to my friends whose faithful cooperation and moral supports extended to me to complete my study at AIT.
I am very grateful to Management and employees of Floor Tiles and Slab Company No 1 who helped me by providing data, information and gave me their valuable time during the time of data collection in Viet Nam.
And my last grateful words at this page – not meaning unimportant but on contrary – are sent to my beloved mother, my parent-in-law, my wife, and my little daughter who have consistently sacrificed their happiness to support and encourage continuously me in my career.
