Page 1 0Page 2 1Page 3 2 . .Page 4 3Page 5 4Page 6 5 Prof. Dr. Ahmed Yousif Ahmed Al-Draiweesh . dr-driweesh@hotmail.com www.ahmedaldraiweesh.com ––Page 7 6Page 8 7 – – – – –Page 9 8 –– –Page 10 9 -Page 11 10Page 12 11Page 13 12 –––Page 14 13Page 15 14Page 16 15 (HEC)Page 17 16Page 18 17Page 19 18Page 20 19Page 21 20