Author = Bassant Badr Eldin Abdo Abdo
| Number of Articles: 1 | ||
| 1 | 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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