ACKNOWLEDGEMENT
I would like to express my gratitude to everyone who supported me
during this astonishing and challenging journey of preparing the master
thesis. First of all, I would like to thank my tutor Dr. Majid Safadaran
Mosazadeh for the useful comments, remarks and engagement through
the learning process of this investigation project. Furthermore, my thanks
go to my colleagues and friends for their valuable advice and
encouraging all the way though the research. Also, my thanks are for the
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