E

• Ekhlasi.A. Assessment of the Effects of Advertising on Increasing Sales and a Mathematical Model for Determination of this Impact on Profitability [ Vol.4, Issue 1 - Spring Year 1388]
• Ekhlasi.A. Assessment of the Effects of Advertising on Increasing Sales and a Mathematical Model for Determination of this Impact on Profitabilit [ Vol.4, Issue 2 - Autumn Year 1388]