Keywords = marketing costs
| Number of Articles: 2 | ||
| 1 | Marketing Efficiency of Potatoesi Dakahlia Governorate | |
| Volume 40, APRIL- JUNE, April 2019, Page 184-195 | ||
| Abd El-LatifAttia El-Kak; Doaa. H.I. Mahmoud; Radwan M. Amar; Hend A. Lotfy | ||
| 2 | Impact of marketing costs and the research and development on the profitability of Egypt's pharmaceutical companies | |
| Volume 1, العدد الثانى, March 2019, Page 40-69 | ||
| Bassant Badr Eldin Abdo Abdo; Walid Aboubakr Aboubakr | ||
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