Kader Camara

I thank my old brother Cheick Abdel Kader Camara for his invaluable supports that I benefited and also for his love. Thanks to my mother Seregbe and my aunt Hadja Nafissatou for everything they did for me. Thanks to my best friend Kabine Kaba ‘Gopi’ for his love. May their soul rest in peace. Thank you to my old sister Aminata Alkoubra Camara for her sacrifice, her supports and her love. I would like to thank all of my teachers who have contributed to transmit me some knowledge. I thank all of those great people who worked hard every day to study their materials since it is not easy to study. Especially, it is not easy to study as an adult. My special thank goes to my advisor Ms. Amy Herbert, who is undeniably an excellent advisor. I benefited of her invaluable advices. She never stopped encouraging me. Great thanks to my friends Ms. Djene Keita and Sarangbe Kaba, who were close to me during that difficult but interesting period of studying. I would not finish without thanking my wife Fantagbe Camara for her love, her sacrifice and her always supports; my kids: Ahmed Abdel Mazid Camara; Housseinatou Camara; Nafissatou Camara; Souleymane Abdel Wahab Camara; and Lamine Abdel Latif Camara for their love and their…