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Dedicated to
The making of this work couldn't be achieved without Allah's mercy and blessing
To Papa & Mama, for whom I was born a scientist, thank you for your gentle, honest and
caring encouragement.
To Mami, who had no idea what I was doing, or how much time I had left, or why I was
speaking English in front of my laptop. But who never doubted me and always checked on my
thesis work_ Rest in peace Mami.
To all the people close to me who made sincere prayers for me: Tata, Sab, Rayene, Riad,
Rasha and Wiam.
To the friends I have gained during this journey: Johan, Timberlyn, Younes, and Zak.
I would also thank myself, my faith, my perseverance, my efforts, my patience, my occasional
wisdom! and especially my prayers.