TY  - BOOK
AU  - Ahmed Mohamed Ossama
AU  - Ahmed Essam Metwally
AU  - Mohamed Sedky
AU  - Omar Hesham Rashed
TI  - The Impact of Marketing and Advertising Expenses' over the Firm Performance // GP // Dr. Soad Hassan
U1  - 005 
PY  - 2017///
PB  - MSA
ER  -