1. Analytical Chemistry Department, Faculty of Pharmacy, Minia University, 61519-Minia, Egypt
2. Analytical Chemistry Department, Faculty of Pharmacy, Deraya University, New-Minia, 61519-Minia, Egypt
3. Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Fayoum University, Fayoum, Egypt
4. Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt